Quote:
Originally Posted by Crash_OK
Thanks fakerwade.. Which wiring diagram.. the one in showing my fuse box and relays? It is something I created based on the factory wiring diagram.. What is you concern?
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Nothing too major,,, it's been a while since I worked for GM so things may have changed. First thing that jumped out on me was that the fuel pump relay was activated by sending power from the PCM to the relay, usually that leg of a fuel pump relay has "key on" power and the relay is activated by the PCM closing the ground to the ground leg of the relay. The second thing was the use of a 20 amp fuse to the PCM through the "hot all the time" side of the fuse box. That power feed to the PCM is simply for memory retention and requires very little amperage to maintain. The 10 amp fuse should probably go there and the 20 amp fuse should go to the "key on" side of the fuse box for the actual power up of the PCM. Like I said, I may be wrong, glad to hear you got it running!!
