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The way the resistor was wire is this: Power from the 24v Positive bus bar to the resistors. Resistors to the GP relay GP Relay to the GP wiring harness GP wiring harness to the plugs Why not just rewire the GPs, by passing the resistor...

Could be that the card failed in the ON position, which caused the GP relay to engage and overload the GPs and the resistor pack. To many unknowns to make a final call. The GP controller card is next to the steering column. It is about the size of a cigarette pack. Sometimes it has a cover and...

Call GM and ask them why a 25+ year old link didn't operate properly..... ;-)

If you had smoke, you more than likely have burnt some wiring. You may not be able to drive it. Your alternator MIGHT have been good, but they need to be retested. You did say one of them was smoking. Letting the smoke Genie out of the bottle is the easy part. Put it back in is what takes time...

You will need to check the wiring for the GP system, the GP themselves, the fusible links and the alternators. I would remove the resistor pack and wire the GPs for 12v

Looking back at your other posts, did you ever get you ground issues resolved? What about the loose terminals on the alternator?