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Well, after a certain Italian hijacked and killed my thread :D, I got to digging in the TMs (We should all start there, first, but sometimes a quick answer is nice, right?). Went through the troubleshooting in the unit maintenance manual for the GP system and although I had checked my engine...

Bueller....Bueller....?:roll: (*bump*)

So, I'm wondering if it's possible to just bypass the fuse box and wire the WAIT and WIF lights, and Voltmeter directly to their sources with an inline fuse. What component controls/send to them? I'm completely lost when it comes to wiring diagrams.

Okay, so I tore into the dash tonight and here's the deal: The bulbs for the wait light and wif are fine, but there's no power to the lines, even though the fuses for the dash lights are all good. Same thing with the voltmeter gauge ("v meter" 26v) slot on fuse box has no power now either...

Well, this morning it was just below 50* when I went out to start the truck. It had been sitting all night, so engine was cold. On start up, no GP wait light, no WIF light. All other dash lights and external lights are good (except voltmeter). Is there a separate fuse or relay for these...

I'll have to check that out, but it won't be until tomorrow after I get off work. Will report back.

Check. So what do I need to do about repairing the voltmeter on the dash. Is there another fuse or a relay somewhere? Or is there a way to tell if the gauge itself is shot?

Fairly warm still. Why?

Well, the 28v 10amp fuse was blown so I replaced it. The engined control (20amp) fuse didn't look blown, but I replaced it anyway. And still don't have WAIT light or WIF lights, either. (Course, it hasn't been cold enough today to have to wait, but neither is coming on upon startup) Now what?

So tonight I was trying to install a cigarette lighter, and rushed it after I didn't get a reply to my query on here. I checked all of the supposedly available 12v openings on the fuse box with the truck running, and none of them had any power. Then I tried running the lighter from the v-meter...