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.
Starter Signal
Connect ECM test harness between ECM and harness connector. Measure voltage on ECM test harness terminals B9 (positive) and A26 (negative) with ignition switch in START position. See Figure . If battery voltage is present, starter signal is okay. If voltage is not present, inspect fuse No. 18. If fuse is okay, repair open in Blue/White wire between ECM and fuse No. 18.
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.
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