Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Ignition Switch Circuit
Connect the ignition switch connector and inspect the connector on the wire harness side from the back side. See CONNECTOR IDENTIFICATION . See INSPECTING IGNITION SWITCH CIRCUIT table. If the circuit is not as specified, inspect the circuits connected to the other parts. See WIRING DIAGRAMS .
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| 2 - Ground | Constant | B+ Voltage |
| 3 - Ground | Ignition Switch ACC Or ON | B+ Voltage |
| 4 - Ground | Ignition Switch ON | B+ Voltage |
| 6 - Ground | Ignition Switch ON Or START | B+ Voltage |
| 7 - Ground | Constant | B+ Voltage |
| 8 - Ground | Ignition Switch START | B+ Voltage |
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.