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Jump 24 volts from the fuel solenoid to the 24v regulator lead. Disconnect the ac lead on the regulator and remove the original 24 volt regulator lead when you do this. See if any change. Intermittent bad regulator leads are common in first gen trucks.

Let me start by saying I dont have much experience with the A1 trucks. I have had alot of alternator issues on first gen trucks though. The regulator leads seem to go bad often causing a low voltage situation. The first thing I would do is measure the battery voltage with the truck off and then...

I need to find a schematic diagram of the truck. Even if its something I can print in pieces and lay out. A p2p would be nice.

I have gauges that go full left when my 97 m1088 is running. My volt meter always stays on regardless of switch position and if I remove all of the relays. I was thinking I had a short somewhere under the dash or a bad ground causing a potential somewhere it shouldn't be. Does the older lmtv...