1992 GMC Jimmy "power inertia switch relay 92" Questions

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Question about GMC Jimmy

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...power · faulty ECU Engine Does Not Start: · Open inertia switch or inertia switch circuit · Open in or between ECU and fuel pump (This includes open in fuel pump ...

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...pump relay in the engine compartment.Then the power goes to the inertia switch, then to the select switch, then to the selected pump.Do you have power at the selector switch from the inertia switch

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...inertia shut-off that all affect power to the fuel pump.The fuse for the fuel pump is in the power distribution box, under the hood. Fuse #8, a 20 amp fuse that also protects the electronic engine ...

...power supplies. At the very end of the wiring harness at the plug that goes to the fuel pump I'm getting different voltages. One wire was 5.87 another wire was 6.71. Think it would be a grounding ...

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