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I was minding my own business happily driving down the ...

Sent to Car Experts September 24, 2005 3:41 p.m.

I was minding my own business happily driving down the highway wend "poof" the engine died. I still had power, and all other systems seemed fine EXCEPT that the relays (with the key in the "on" position) all go nuts! Turning on and off, kicking in and out...... I have replaced the ignition module to no avail.....

Needless to say, any help.... :)

Customer (name blocked for privacy)

Status: Closed Value: $5

Answer
September 24, 2005 4:32 p.m. (50 minutes and 29 seconds later)

ACCEPTED

normally, the ignition module does not control any relays- only spark and fuel delivery. the PCM will control many outputs, such as the fuel pump relay, and purge and egr solenoids. a poor connection to battery positive and negative cables, or poor connections at the PCM connectors may cause your problem, as well as a faulty PCM. PCM stands for powertrain control module, and is the major controlling computer.

robert standley -- ASE MASTER- AND L1 CERTIFIED -- 100% Positive Feedback on 29 Car Accepts
gm master technician

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