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.
IGN3 Fuse
IGN3 Fuse is located in underhood junction block. IGN3 fuse is a 30A maxifuse. IGN3 fuse feeds circuit 1930A. If the HVAC fan switch, A/C control relay, rear defogger, ABS, generator, cruise control and brake systems are operating normally, the fuse is most likely good. If the fuse is blown determine the cause of the blown fuse and repair. Replace fuse as needed. If this fuse is good, return to the possible cause list that sent you here and then check the next item.
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Use the Manual With the Right Hardware
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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.