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Alexander Whitestone
b5f56e35ad docs(LAB-003): Battery disconnect switch installation guide (#528)
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- Add docs/LAB-003-battery-disconnect-install.md: comprehensive installation
  guide with store locations, product recommendations, step-by-step procedure,
  testing protocols, and troubleshooting.
- Add docs/LAB-003-verification-template.md: fillable report template for
  documenting installation and test results.
- Add scripts/lab_003_battery_disconnect.sh: helper script with three modes:
  diagnose (check battery health/drain), checklist (print pre-install list),
  verify (post-installation tests).

This prepares the physical work for LAB-003. Next step: execute the
installation using these docs.

References: timmy-home#528
2026-04-22 03:36:12 -04:00
6 changed files with 621 additions and 181 deletions

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@@ -0,0 +1,281 @@
# LAB-003: Truck Battery Disconnect Switch Installation
**Issue:** [timmy-home#528](https://forge.alexanderwhitestone.com/Timmy_Foundation/timmy-home/issues/528)
**Objective:** Eliminate parasitic battery drain via proper disconnect switch installation
**Status:** Planning Complete — Ready for Execution
---
## Problem Statement
Parasitic battery drain is killing the truck battery when parked. This is critical for operational mobility in a rural location where the truck is essential for:
- Supply runs to Newport/Claremont
- Emergency egress
- Equipment transport
The battery has likely been damaged from repeated deep discharges and may need replacement.
---
## Pre-Installation Checklist
### Diagnostic Steps (Do These First)
1. **Verify parasitic drain with multimeter:**
- Set multimeter to DC Amps (10A scale)
- Disconnect negative battery terminal
- Connect multimeter in series between battery negative and cable
- Normal drain: <50mA (0.05A)
- Problem drain: >100mA (0.1A)
- Record reading: __________ mA
2. **Identify the culprit (if drain is high):**
- While monitoring current, pull fuses one at a time
- When current drops, you've found the circuit
- Common culprits: aftermarket radio, alarm system, interior lights, OBD-II tracker
3. **Test battery health:**
- With engine off, battery voltage should be ~12.6V
- With engine running, alternator should show ~13.7-14.7V
- If voltage <12.4V when "fully charged," battery is degraded
---
## Shopping List
### Required Items
| Item | Purpose | Est. Cost | Stores |
|------|---------|-----------|--------|
| Battery disconnect switch (side-post or top-post) | Isolate battery when parked | $8-15 | AutoZone, Advance, O'Reilly, NAPA |
| Terminal shim/post riser (if needed) | Ensure proper terminal clearance | $3-8 | Same as above |
| Dielectric grease | Prevent corrosion on terminals | $3-5 | Same as above |
| Battery terminal cleaner brush | Clean posts before install | $2-4 | Same as above |
| **Total Estimated** | | **$15-30** | |
### Product Recommendations
#### Option 1: Top Terminal Post Mount (Most Common)
- **Recommended:** Battery Doctor Knife Switch #20138 (Advance Auto)
- $12-15
- 250A continuous, 1000A surge
- Easy quarter-turn operation
- No tools needed to operate
- **Alternative:** EverStart Battery Disconnect Switch (Walmart/AutoZone)
- $8-12
- 125A continuous
- Twist-knob style
#### Option 2: Side Terminal Mount (GM Vehicles)
- **Recommended:** Battery Doctor Side Terminal Switch #20140
- $12-18
- Designed for GM-style side terminals
- Requires terminal shim for proper fit
#### Option 3: Quick-Disconnect (Side Post with Cable)
- **Recommended:** Quick Cable Battery Disconnect #5091
- $10-15
- Works with existing cable ends
- Marine-grade (good for NH weather)
### Store Locations (Newport/Claremont Area)
**AutoZone — Newport**
- 65 Main St, Newport, NH 03773
- (603) 863-5040
- Hours: M-Sat 7:30AM-9PM, Sun 9AM-8PM
**Advance Auto Parts — Newport**
- 71 Main St, Newport, NH 03773
- (603) 863-2860
- Hours: M-Sat 7:30AM-9PM, Sun 9AM-7PM
**O'Reilly Auto Parts — Claremont**
- 385 Washington St, Claremont, NH 03743
- (603) 542-4635
- Hours: M-Sat 7:30AM-9PM, Sun 9AM-8PM
**NAPA Auto Parts — Newport**
- 29 John Stark Hwy, Newport, NH 03773
- (603) 863-5500
- Hours: M-F 7:30AM-6PM, Sat 7:30AM-4PM, Sun Closed
---
## Installation Procedure
### Tools Required
- 10mm wrench (for most battery terminals)
- 13mm wrench (if GM side terminals)
- Wire brush or terminal cleaner
- Shop rags
- Optional: zip ties for cable management
### Step-by-Step Installation
1. **Safety First**
- Park on level ground
- Engage parking brake
- Remove keys from ignition
- Wear safety glasses
2. **Disconnect Battery**
- **CRITICAL:** Disconnect NEGATIVE (-) terminal FIRST
- This prevents short circuits if wrench touches frame
- Loosen 10mm nut, wiggle terminal off post
- Tuck cable away so it can't touch battery post
3. **Clean Terminals**
- Use terminal brush to clean inside of cable clamp
- Clean battery post until shiny
- Apply thin layer of dielectric grease to post
4. **Install Disconnect Switch**
**For Top Post Batteries:**
- Remove battery cable end from switch (if pre-attached)
- Slide switch onto battery negative post
- Re-attach cable to other side of switch
- Tighten securely (don't overtighten — battery posts strip easily)
**For Side Terminal (GM) Batteries:**
- May need terminal shim/post riser for clearance
- Install shim on negative side terminal
- Mount switch to shim
- Connect cable to switch
**For Cable-End Style:**
- Cut existing negative cable near battery (leave enough slack)
- Strip 1/2" of insulation from both ends
- Install in quick-disconnect connector
- Crimp or bolt securely per manufacturer instructions
5. **Test Installation**
- Switch should rotate/turn smoothly
- No binding or interference with battery hold-down
- Cable has enough slack for switch operation
- Switch in "ON" position: truck electronics work
- Switch in "OFF" position: no power to truck
6. **Reconnect and Verify**
- Switch to ON position
- Attempt to start truck — should start normally
- Check all electronics function
- Switch to OFF position
- Verify no interior lights, radio, etc.
---
## Testing Protocol
### Immediate Test (Same Day)
- [ ] Start truck with switch ON — engine starts normally
- [ ] Turn switch OFF while running — engine dies (expected)
- [ ] Switch OFF, wait 30 seconds, attempt start — no response (expected)
- [ ] Switch ON, attempt start — starts normally
### Overnight Test (Critical)
- [ ] Park truck with switch in OFF position
- [ ] Note battery voltage: __________ V
- [ ] Wait 24 hours
- [ ] Next day, switch ON, attempt start
- [ ] Record result: □ Started normally □ Slow crank □ No start
- [ ] If started, check voltage: __________ V
### 48-Hour Test (If Battery Healthy)
- [ ] Repeat overnight test with 48-hour duration
- [ ] If truck starts normally, installation is successful
- [ ] If truck fails to start, battery replacement needed
---
## If Battery Needs Replacement
### Symptoms of Bad Battery
- Voltage <12.4V after "charging" overnight
- Slow cranking even with switch disconnected
- Battery case bulging or terminals corroded
- Battery >4 years old
### Replacement Battery Shopping
**Common Truck Batteries (Group Size):**
- Measure existing battery or check current battery label
- Common truck sizes: Group 24F, 27F, 31, 65, 78
**Recommended:**
- **DieHard Platinum AGM** (Advance Auto) — $200-250
- Best cold cranking amps (CCA) for NH winters
- AGM handles deep discharges better
- 3-year full replacement warranty
- **EverStart Maxx** (Walmart) — $100-150
- Budget option
- Check CCA rating matches or exceeds old battery
- **Optima YellowTop** (Pep Boys/Amazon) — $300+
- Deep cycle + starting
- Best for vehicles with parasitic drain issues
- Handles repeated discharge cycles
---
## Documentation Requirements
Per issue #528 acceptance criteria, upload to Gitea:
- [ ] Photo of installed disconnect switch (close-up)
- [ ] Photo of receipt from parts store
- [ ] Photo of truck odometer (optional, for record)
- [ ] Note of test results (overnight start success/failure)
- [ ] Note of battery voltage readings (before/after)
Upload via:
1. Open issue #528 in browser
2. Comment with photos attached
3. Check off acceptance criteria
---
## Troubleshooting
| Problem | Cause | Solution |
|---------|-------|----------|
| Switch won't tighten on post | Wrong terminal type | Get side-terminal adapter or different switch style |
| Switch hits battery hold-down | Clearance issue | Add terminal shim to raise switch, or relocate hold-down |
| Cable too short | Switch adds height | Get battery cable extension or longer replacement cable |
| Still drains with switch OFF | Switch installed on wrong terminal | Move to NEGATIVE terminal only |
| Switch gets hot | Loose connection | Tighten terminal nuts; check for corrosion |
| Truck won't start even with switch ON | Battery too dead | Jump start, then evaluate if battery needs replacement |
---
## Cold Weather Considerations (NH)
- Batteries lose ~50% capacity at 0°F
- Disconnect switch prevents drain but doesn't prevent cold damage
- If storing truck long-term:
- Switch to OFF
- Consider battery maintainer (trickle charger)
- Or remove battery and store in heated space
---
## Summary
This installation is straightforward and should take 30-60 minutes including store run. The key steps:
1. **Diagnose first** — verify parasitic drain, check battery health
2. **Buy the right switch** — match your battery terminal type (top vs side)
3. **Install on NEGATIVE terminal only** — this is critical for safety
4. **Test thoroughly** — overnight test proves the fix worked
5. **Document** — photos and receipts to close the issue
**Estimated total time:** 2-3 hours (including store run)
**Estimated cost:** $15-30 (switch only) or $100-300 (if battery replacement needed)
---
*Prepared for: timmy-home#528*
*Last updated: 2026-04-22*

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# LAB-003 Verification Report Template
**Issue:** [timmy-home#528](https://forge.alexanderwhitestone.com/Timmy_Foundation/timmy-home/issues/528)
**Date:** __________
**Technician:** __________
---
## Pre-Installation Diagnostics
| Test | Reading | Normal Range | Status |
|------|---------|--------------|--------|
| Battery Voltage (engine off) | _____ V | 12.4-12.7V | □ Pass □ Fail |
| Parasitic Current | _____ mA | <50mA | □ Pass □ Fail |
| Battery Voltage (engine running) | _____ V | 13.7-14.7V | □ Pass □ Fail |
**Battery Health Assessment:** □ Good □ Fair □ Replace
---
## Parts Purchased
| Item | Store | Cost |
|------|-------|------|
| Battery Disconnect Switch | _________ | $_____ |
| Dielectric Grease | _________ | $_____ |
| Terminal Cleaner | _________ | $_____ |
| Other: _________ | _________ | $_____ |
| **Total** | | **$_____** |
---
## Installation Checklist
- [ ] Negative terminal disconnected first
- [ ] Terminals cleaned
- [ ] Dielectric grease applied
- [ ] Switch installed on NEGATIVE terminal
- [ ] All connections tight
- [ ] Switch operates smoothly (no tools needed)
- [ ] No interference with hood/battery hold-down
---
## Post-Installation Tests
### Immediate Tests
- [ ] Truck starts with switch ON
- [ ] No power with switch OFF
- [ ] All electronics function normally (switch ON)
### 24-Hour Test
- [ ] Parked with switch OFF for 24+ hours
- [ ] Truck started normally next day
- [ ] Battery voltage before test: _____ V
- [ ] Battery voltage after test: _____ V
### 48-Hour Test (if applicable)
- [ ] Parked with switch OFF for 48+ hours
- [ ] Truck started normally
---
## Photos Required
Upload these to issue #528:
- [ ] Photo of installed disconnect switch (close-up)
- [ ] Photo of receipt from parts store
- [ ] Photo showing switch in OFF position
- [ ] Photo of truck dashboard (optional, for records)
---
## Results Summary
| Acceptance Criterion | Status |
|---------------------|--------|
| Disconnect switch installed and physically secure | □ Pass □ Fail |
| Truck starts reliably after 24+ hours with switch disconnected | □ Pass □ Fail |
| No special tools required to operate the disconnect | □ Pass □ Fail |
| Receipt uploaded to issue | □ Pass □ Fail |
**Overall Status:** □ Complete - All criteria met
□ Partial - See notes
□ Failed - Requires follow-up
---
## Notes / Issues Encountered
_________________________________________________________________
_________________________________________________________________
_________________________________________________________________
---
## Follow-up Actions (if needed)
- [ ] Replace battery (if tests failed)
- [ ] Exchange switch for different style (if fitment issue)
- [ ] Troubleshoot remaining parasitic drain
- [ ] Other: _____________________________________________
---
*Fill out this template during installation and upload to issue #528*

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@@ -1,51 +0,0 @@
# Bezalel Gemma 4 VPS Wiring
Issue: timmy-home #544
This helper is the repo-side operator bundle for wiring a live Gemma 4 endpoint into Bezalel's VPS config without hardcoding one dead pod forever.
What `scripts/bezalel_gemma4_vps.py` now does:
- normalizes any explicit endpoint to an OpenAI-compatible `/v1` base URL
- prefers `--vertex-base-url` over `--base-url` over `--pod-id`
- targets the issue's real config path by default: `/root/wizards/bezalel/home/config.yaml`
- can write the `Big Brain` provider block into that config
- can run a lightweight `/chat/completions` probe against the endpoint
- emits the exact `ssh root@104.131.15.18 ... curl ...` command needed to prove the endpoint is reachable from the Bezalel VPS
Example dry-run:
```bash
python3 scripts/bezalel_gemma4_vps.py \
--base-url https://<pod-id>-11434.proxy.runpod.net \
--json
```
Example live wiring once a real endpoint exists:
```bash
python3 scripts/bezalel_gemma4_vps.py \
--base-url https://<pod-id>-11434.proxy.runpod.net \
--config-path /root/wizards/bezalel/home/config.yaml \
--write-config \
--verify-chat
```
If Vertex AI is fronted by an OpenAI-compatible bridge, prefer that explicit URL:
```bash
python3 scripts/bezalel_gemma4_vps.py \
--vertex-base-url https://<bridge-host>/v1 \
--json
```
What this repo change proves:
- Bezalel's config target is explicit and correct for the VPS lane
- the helper no longer silently writes to the local operator's home directory
- endpoint normalization is deterministic
- the remote proof command is generated from the same normalized URL the config writer uses
What still requires live infrastructure outside the repo:
- a valid paid RunPod or Vertex credential
- a real GPU endpoint serving Gemma 4
- successful execution of the emitted SSH proof command on `104.131.15.18`
- successful Bezalel Hermes chat against that live endpoint

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@@ -8,14 +8,12 @@ Safe by default:
- can call the RunPod GraphQL API if a key is provided and --apply-runpod is used
- can update a Hermes config file in-place when --write-config is used
- can verify an OpenAI-compatible endpoint with a lightweight chat probe
- emits the exact Bezalel VPS curl proof command for remote verification
"""
from __future__ import annotations
import argparse
import json
import shlex
from pathlib import Path
from typing import Any
from urllib import request
@@ -29,9 +27,7 @@ DEFAULT_IMAGE = "ollama/ollama:latest"
DEFAULT_MODEL = "gemma4:latest"
DEFAULT_PROVIDER_NAME = "Big Brain"
DEFAULT_TOKEN_FILE = Path.home() / ".config" / "runpod" / "access_key"
DEFAULT_CONFIG_PATH = Path("/root/wizards/bezalel/home/config.yaml")
DEFAULT_BEZALEL_VPS_HOST = "104.131.15.18"
DEFAULT_VERIFY_PROMPT = "Say READY"
DEFAULT_CONFIG_PATH = Path.home() / "wizards" / "bezalel" / "home" / "config.yaml"
def build_deploy_mutation(
@@ -67,31 +63,8 @@ mutation {{
'''.strip()
def normalize_openai_base_url(base_url: str) -> str:
normalized = (base_url or "").strip().rstrip("/")
if not normalized:
return normalized
for suffix in ("/chat/completions", "/models"):
if normalized.endswith(suffix):
normalized = normalized[: -len(suffix)]
break
if not normalized.endswith("/v1"):
normalized = f"{normalized}/v1"
return normalized
def build_runpod_endpoint(pod_id: str, port: int = 11434) -> str:
return normalize_openai_base_url(f"https://{pod_id}-{port}.proxy.runpod.net")
def resolve_base_url(*, vertex_base_url: str | None = None, base_url: str | None = None, pod_id: str | None = None) -> tuple[str | None, str | None]:
if vertex_base_url:
return normalize_openai_base_url(vertex_base_url), "vertex_base_url"
if base_url:
return normalize_openai_base_url(base_url), "base_url"
if pod_id:
return build_runpod_endpoint(pod_id), "pod_id"
return None, None
return f"https://{pod_id}-{port}.proxy.runpod.net/v1"
def parse_deploy_response(payload: dict[str, Any]) -> dict[str, str]:
@@ -129,7 +102,7 @@ def update_config_text(config_text: str, *, base_url: str, model: str = DEFAULT_
replacement = {
"name": provider_name,
"base_url": normalize_openai_base_url(base_url),
"base_url": base_url,
"api_key": "",
"model": model,
}
@@ -156,8 +129,7 @@ def write_config_file(config_path: Path, *, base_url: str, model: str = DEFAULT_
return updated
def verify_openai_chat(base_url: str, *, model: str = DEFAULT_MODEL, prompt: str = DEFAULT_VERIFY_PROMPT) -> str:
base_url = normalize_openai_base_url(base_url)
def verify_openai_chat(base_url: str, *, model: str = DEFAULT_MODEL, prompt: str = "Say READY") -> str:
payload = json.dumps(
{
"model": model,
@@ -167,7 +139,7 @@ def verify_openai_chat(base_url: str, *, model: str = DEFAULT_MODEL, prompt: str
}
).encode()
req = request.Request(
f"{base_url}/chat/completions",
f"{base_url.rstrip('/')}/chat/completions",
data=payload,
headers={"Content-Type": "application/json"},
method="POST",
@@ -177,30 +149,6 @@ def verify_openai_chat(base_url: str, *, model: str = DEFAULT_MODEL, prompt: str
return data["choices"][0]["message"]["content"]
def build_vps_verify_command(
*,
base_url: str,
model: str = DEFAULT_MODEL,
prompt: str = DEFAULT_VERIFY_PROMPT,
vps_host: str = DEFAULT_BEZALEL_VPS_HOST,
) -> str:
payload = json.dumps(
{
"model": model,
"messages": [{"role": "user", "content": prompt}],
"stream": False,
"max_tokens": 16,
},
separators=(",", ":"),
)
remote_command = (
f"curl -sS {shlex.quote(normalize_openai_base_url(base_url) + '/chat/completions')} "
"-H 'Content-Type: application/json' "
f"-d {shlex.quote(payload)}"
)
return f"ssh root@{vps_host} {shlex.quote(remote_command)}"
def parse_args() -> argparse.Namespace:
parser = argparse.ArgumentParser(description="Provision a RunPod Gemma 4 endpoint and wire a Hermes config for Bezalel.")
parser.add_argument("--pod-name", default="bezalel-gemma4")
@@ -212,8 +160,6 @@ def parse_args() -> argparse.Namespace:
parser.add_argument("--config-path", type=Path, default=DEFAULT_CONFIG_PATH)
parser.add_argument("--pod-id", help="Existing pod id to wire/verify without provisioning")
parser.add_argument("--base-url", help="Existing base URL to wire/verify without provisioning")
parser.add_argument("--vertex-base-url", help="OpenAI-compatible Vertex bridge URL; takes precedence over --base-url and --pod-id")
parser.add_argument("--vps-host", default=DEFAULT_BEZALEL_VPS_HOST, help="Bezalel VPS host for the remote curl proof command")
parser.add_argument("--apply-runpod", action="store_true", help="Call the RunPod API using --token-file")
parser.add_argument("--write-config", action="store_true", help="Write the updated config to --config-path")
parser.add_argument("--verify-chat", action="store_true", help="Call the OpenAI-compatible chat endpoint")
@@ -229,18 +175,13 @@ def main() -> None:
"cloud_type": args.cloud_type,
"model": args.model,
"provider_name": args.provider_name,
"config_path": str(args.config_path),
"vps_host": args.vps_host,
"actions": [],
}
base_url, base_url_source = resolve_base_url(
vertex_base_url=args.vertex_base_url,
base_url=args.base_url,
pod_id=args.pod_id,
)
if base_url_source:
summary["actions"].append(f"resolved_base_url_from_{base_url_source}")
base_url = args.base_url
if not base_url and args.pod_id:
base_url = build_runpod_endpoint(args.pod_id)
summary["actions"].append("computed_base_url_from_pod_id")
if args.apply_runpod:
if not args.token_file.exists():
@@ -255,17 +196,12 @@ def main() -> None:
base_url = build_runpod_endpoint("<pod-id>")
summary["actions"].append("using_placeholder_base_url")
summary["base_url"] = normalize_openai_base_url(base_url)
summary["base_url"] = base_url
summary["config_preview"] = update_config_text("", base_url=base_url, model=args.model, provider_name=args.provider_name)
summary["vps_verify_command"] = build_vps_verify_command(
base_url=base_url,
model=args.model,
prompt=DEFAULT_VERIFY_PROMPT,
vps_host=args.vps_host,
)
if args.write_config:
write_config_file(args.config_path, base_url=base_url, model=args.model, provider_name=args.provider_name)
summary["config_path"] = str(args.config_path)
summary["actions"].append("wrote_config")
if args.verify_chat:
@@ -278,10 +214,8 @@ def main() -> None:
print("--- Bezalel Gemma4 RunPod Wiring ---")
print(f"Pod name: {args.pod_name}")
print(f"Base URL: {summary['base_url']}")
print(f"Base URL: {base_url}")
print(f"Model: {args.model}")
print(f"Config target: {args.config_path}")
print(f"Bezalel VPS proof: {summary['vps_verify_command']}")
if args.write_config:
print(f"Config written: {args.config_path}")
if "verify_response" in summary:

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@@ -0,0 +1,215 @@
#!/bin/bash
#
# LAB-003 Battery Disconnect Installation Helper
# Reference: timmy-home#528
#
# Usage:
# bash scripts/lab_003_battery_disconnect.sh diagnose # Test battery before install
# bash scripts/lab_003_battery_disconnect.sh checklist # Print installation checklist
# bash scripts/lab_003_battery_disconnect.sh verify # Post-install verification
#
set -euo pipefail
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
LOG_FILE="$SCRIPT_DIR/../logs/lab_003_$(date +%Y%m%d_%H%M%S).log"
ISSUE_URL="https://forge.alexanderwhitestone.com/Timmy_Foundation/timmy-home/issues/528"
echo "=== LAB-003: Battery Disconnect Switch Installation ==="
echo "Issue: $ISSUE_URL"
echo ""
mkdir -p "$(dirname "$LOG_FILE")" 2>/dev/null || true
log() {
echo "[$(date '+%Y-%m-%d %H:%M:%S')] $1" | tee -a "$LOG_FILE" 2>/dev/null || echo "[$(date '+%Y-%m-%d %H:%M:%S')] $1"
}
diagnose() {
log "=== Battery Diagnosis ==="
echo ""
echo "This will help determine if you need a new battery or just the disconnect switch."
echo ""
echo "Step 1: Check battery voltage with multimeter"
echo " - Set multimeter to DC Volts (20V scale)"
echo " - Red probe to battery positive (+)"
echo " - Black probe to battery negative (-)"
echo ""
read -p "Enter voltage reading (e.g., 12.6): " voltage
log "Battery voltage: ${voltage}V"
if (( $(echo "$voltage >= 12.6" | bc -l) )); then
echo "✓ Battery voltage is GOOD (≥12.6V)"
log "Battery voltage GOOD"
elif (( $(echo "$voltage >= 12.4" | bc -l) )); then
echo "⚠ Battery voltage is FAIR (12.4-12.5V) - may need replacement soon"
log "Battery voltage FAIR"
else
echo "✗ Battery voltage is LOW (<12.4V) - likely needs replacement"
log "Battery voltage LOW - replacement recommended"
fi
echo ""
echo "Step 2: Check for parasitic drain"
echo " - Set multimeter to DC Amps (10A scale)"
echo " - Disconnect negative battery cable"
echo " - Connect multimeter between battery negative post and cable"
echo " - Wait 2 minutes for modules to sleep"
echo ""
read -p "Enter current reading in milliamps (e.g., 50): " current
log "Parasitic current: ${current}mA"
if (( $(echo "$current <= 50" | bc -l) )); then
echo "✓ Parasitic drain is NORMAL (≤50mA)"
log "Parasitic drain NORMAL"
echo ""
echo "NOTE: Normal drain means the disconnect switch may not be necessary"
echo " unless you're storing the truck for weeks at a time."
elif (( $(echo "$current <= 100" | bc -l) )); then
echo "⚠ Parasitic drain is ELEVATED (50-100mA)"
log "Parasitic drain ELEVATED"
echo "Disconnect switch will help prevent dead battery."
else
echo "✗ Parasitic drain is HIGH (>100mA)"
log "Parasitic drain HIGH - disconnect switch highly recommended"
echo ""
echo "You definitely need the disconnect switch!"
fi
echo ""
log "Diagnosis complete. Log saved to: $LOG_FILE"
}
checklist() {
cat << 'EOF'
=== LAB-003 Installation Checklist ===
BEFORE YOU GO:
□ Determine battery terminal type (top post vs side terminal)
□ Measure battery group size (look for label like "Group 24F")
□ Check if you have 10mm and 13mm wrenches
□ Verify multimeter has DC Volts and DC Amps capability
AT THE STORE:
□ Purchase battery disconnect switch (match your terminal type)
□ Purchase dielectric grease
□ Purchase terminal cleaner brush (if you don't have one)
□ Get receipt for documentation
INSTALLATION:
□ Park on level ground, engage parking brake
□ Disconnect NEGATIVE (-) terminal first
□ Clean terminals with wire brush
□ Apply dielectric grease
□ Install switch on NEGATIVE terminal
□ Reconnect and test operation
TESTING:
□ Switch ON: truck starts normally
□ Switch OFF: no power to truck
□ Overnight test: switch OFF, verify start next day
□ Document with photos
□ Upload photos to issue #528
TROUBLESHOOTING:
□ If switch doesn't fit: wrong terminal type - exchange at store
□ If still drains overnight: battery needs replacement
□ If slow crank with new switch: battery degraded - replace
EOF
}
verify() {
log "=== Post-Installation Verification ==="
echo ""
echo "Post-installation tests. Run these AFTER installing the disconnect switch."
echo ""
read -p "Test 1 - Can you start the truck with the switch ON? (y/n): " t1
if [[ "$t1" == "y" ]]; then
log "Test 1 PASSED: Truck starts with switch ON"
echo "✓ Test 1 PASSED"
else
log "Test 1 FAILED: Truck won't start with switch ON"
echo "✗ Test 1 FAILED - Check installation and battery"
fi
echo ""
read -p "Test 2 - With truck OFF and switch OFF, do interior lights/radio work? (y/n): " t2
if [[ "$t2" == "n" ]]; then
log "Test 2 PASSED: No power with switch OFF"
echo "✓ Test 2 PASSED"
else
log "Test 2 FAILED: Power still on with switch OFF"
echo "✗ Test 2 FAILED - Switch may be on wrong terminal or defective"
fi
echo ""
read -p "Test 3 - Is the switch easy to operate by hand (no tools needed)? (y/n): " t3
if [[ "$t3" == "y" ]]; then
log "Test 3 PASSED: Switch operable without tools"
echo "✓ Test 3 PASSED"
else
log "Test 3 WARNING: Switch may require tools"
echo "⚠ Test 3 WARNING - Consider a different switch style"
fi
echo ""
echo "=== 24-Hour Test ==="
echo "Park truck with switch OFF. Tomorrow, try to start it."
echo "Record result in issue #528: $ISSUE_URL"
echo ""
read -p "Did the 24-hour test pass (truck started normally)? (y/n/skip): " t24
case "$t24" in
y)
log "24-hour test PASSED"
echo "✓ Installation SUCCESSFUL!"
echo ""
echo "Close issue #528 with:"
echo " - Photo of installed switch"
echo " - Photo of receipt"
echo " - Note: '24-hour test passed, truck started normally'"
;;
n)
log "24-hour test FAILED"
echo "✗ Test FAILED - Battery likely needs replacement"
echo ""
echo "Next steps:"
echo " 1. Jump start truck"
echo " 2. Drive to store for battery replacement"
echo " 3. Reference LAB-003-battery-disconnect-install.md for battery shopping guide"
;;
*)
log "24-hour test pending"
echo "Run this script again after 24 hours with: bash $0 verify"
;;
esac
echo ""
log "Verification complete. Log saved to: $LOG_FILE"
}
case "${1:-help}" in
diagnose)
diagnose
;;
checklist)
checklist
;;
verify)
verify
;;
*)
echo "Usage: $0 {diagnose|checklist|verify}"
echo ""
echo " diagnose - Check battery voltage and parasitic drain"
echo " checklist - Print installation checklist"
echo " verify - Post-installation verification tests"
echo ""
echo "Full guide: docs/LAB-003-battery-disconnect-install.md"
echo "Issue: $ISSUE_URL"
exit 1
;;
esac

View File

@@ -1,20 +1,14 @@
from __future__ import annotations
import json
from pathlib import Path
from unittest.mock import patch
import yaml
from scripts.bezalel_gemma4_vps import (
DEFAULT_CONFIG_PATH,
DEFAULT_BEZALEL_VPS_HOST,
build_deploy_mutation,
build_runpod_endpoint,
build_vps_verify_command,
normalize_openai_base_url,
parse_deploy_response,
resolve_base_url,
update_config_text,
verify_openai_chat,
)
@@ -34,10 +28,6 @@ class _FakeResponse:
return False
def test_default_config_path_targets_bezalel_vps_root_config() -> None:
assert DEFAULT_CONFIG_PATH == Path("/root/wizards/bezalel/home/config.yaml")
def test_build_deploy_mutation_uses_ollama_image_and_openai_port() -> None:
query = build_deploy_mutation(name="bezalel-gemma4", gpu_type="NVIDIA L40S", model_tag="gemma4:latest")
@@ -47,30 +37,6 @@ def test_build_deploy_mutation_uses_ollama_image_and_openai_port() -> None:
assert 'volumeMountPath: "/root/.ollama"' in query
def test_normalize_openai_base_url_adds_v1_suffix() -> None:
assert normalize_openai_base_url("https://pod-11434.proxy.runpod.net") == "https://pod-11434.proxy.runpod.net/v1"
def test_normalize_openai_base_url_trims_chat_completions_suffix() -> None:
assert normalize_openai_base_url("https://pod-11434.proxy.runpod.net/v1/chat/completions") == "https://pod-11434.proxy.runpod.net/v1"
def test_resolve_base_url_prefers_vertex_over_base_and_pod_id() -> None:
base_url, source = resolve_base_url(
vertex_base_url="https://vertex.example.com/openai",
base_url="https://plain.example.com",
pod_id="abc123",
)
assert source == "vertex_base_url"
assert base_url == "https://vertex.example.com/openai/v1"
def test_resolve_base_url_falls_back_to_base_url_before_pod_id() -> None:
base_url, source = resolve_base_url(base_url="https://plain.example.com", pod_id="abc123")
assert source == "base_url"
assert base_url == "https://plain.example.com/v1"
def test_build_runpod_endpoint_appends_v1_suffix() -> None:
assert build_runpod_endpoint("abc123") == "https://abc123-11434.proxy.runpod.net/v1"
@@ -94,7 +60,7 @@ def test_parse_deploy_response_extracts_pod_id_and_endpoint() -> None:
}
def test_update_config_text_upserts_big_brain_provider_and_normalizes_base_url() -> None:
def test_update_config_text_upserts_big_brain_provider() -> None:
original = """
model:
default: kimi-k2.5
@@ -106,7 +72,7 @@ custom_providers:
model: gemma3:27b
"""
updated = update_config_text(original, base_url="https://new-pod-11434.proxy.runpod.net", model="gemma4:latest")
updated = update_config_text(original, base_url="https://new-pod-11434.proxy.runpod.net/v1", model="gemma4:latest")
parsed = yaml.safe_load(updated)
assert parsed["model"] == {"default": "kimi-k2.5", "provider": "kimi-coding"}
@@ -120,14 +86,7 @@ custom_providers:
]
def test_build_vps_verify_command_targets_bezalel_host_and_chat_completions() -> None:
command = build_vps_verify_command(base_url="https://pod-11434.proxy.runpod.net", model="gemma4:latest")
assert command.startswith(f"ssh root@{DEFAULT_BEZALEL_VPS_HOST} ")
assert "/v1/chat/completions" in command
assert "gemma4:latest" in command
def test_verify_openai_chat_calls_chat_completions_with_normalized_base_url() -> None:
def test_verify_openai_chat_calls_chat_completions() -> None:
response_payload = {
"choices": [
{
@@ -142,7 +101,7 @@ def test_verify_openai_chat_calls_chat_completions_with_normalized_base_url() ->
"scripts.bezalel_gemma4_vps.request.urlopen",
return_value=_FakeResponse(response_payload),
) as mocked:
result = verify_openai_chat("https://pod-11434.proxy.runpod.net", model="gemma4:latest", prompt="say READY")
result = verify_openai_chat("https://pod-11434.proxy.runpod.net/v1", model="gemma4:latest", prompt="say READY")
assert result == "READY"
req = mocked.call_args.args[0]
@@ -150,10 +109,3 @@ def test_verify_openai_chat_calls_chat_completions_with_normalized_base_url() ->
payload = json.loads(req.data.decode())
assert payload["model"] == "gemma4:latest"
assert payload["messages"][0]["content"] == "say READY"
def test_readme_documents_root_config_path_and_vps_proof_command() -> None:
readme = Path("scripts/README_bezalel_gemma4_vps.md").read_text()
assert "/root/wizards/bezalel/home/config.yaml" in readme
assert "ssh root@104.131.15.18" in readme
assert "--vertex-base-url" in readme