Pontiac Problems? Ask a Mechanic for Answers ASAP
Hello my name is***** am an ASE Master Technician and I am glad to help you out with your question.
Check all the power outlets and cigarette lights, make sure there are no coins in the power outlets, this can blow the fuse for the ecm as the power outlets are on the same circuit.
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ASE Master Technician
You could have a short in the ac circuit causing the fuse to blow, I would start unplugging this on the ac circuit until the fuse no longer blows.
Start with unplugging the AC clutch relay.
Expert Dan opted out. I am Mike.
I have a bit different approach. First of all, so we are talking about the same fuse, is this the PCM BATT fuse in the engine compartment fuse center or the PCM fuse in the fuse block/
They are both 10 a fuses.
Next, remove the fuse and place an ammeter in the fuse socket, that way you can see exactly what the amperage is that is blowing the fuse. The PCM BATT fuse is hot all the time, so if it's that fuse, there is no need to turn the key on, plus from what I see it only powers one thing, the PCM. If it's the PCM fuse in the fuse block, it powers the mass air flow sensor and the PCM, both pink wires, so unhook the plug at the mass air flow sensor, normally located in the air stream going into the throttle body or near it and check the ammeter again. The key will need to be on run when testing this fuse's socket though.
Do you mean "ERLS" fuse cause I don't see no "ECLR"?
Ok, do you have an ammeter? If not, get one, a small multimeter can be had almost anywhere for $5 or so, then let me know what the amperage is in that erls fuse's socket with the key on run.
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