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.
Gauge Relay
Remove gauge relay from underhood relay box "C". Underhood relay box "C" is located in left front of engine compartment. Check for continuity between terminals No. 1 and 2. See Fig 1 . Continuity should not exist. Check for continuity between terminals No. 3 and 5, and between terminals No. 1 and 4. Continuity should exist. Using jumper wires, connect terminal No. 3 to battery voltage and terminal No. 5 to ground. Recheck for continuity between terminals No. 1 and 2. If continuity does not exist between terminals No. 1 and 2, replace relay.
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.