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    51 GMC dash questions

    Hi and first thanks for all the helpful feedback. I have an interesting thing in the dash of my 51 GMC truck. I pulled the gauge and speedometer and when I did the following switch fell out. (it's the one with the white knob). I thought it might be the blower but not sure. The reason...
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    What is this under my truck?

    I have a 51 GMC and under the truck is a round thing that doesn't appear to be attached to anything. Picture enclosed: thanks for any ideas on what it might be.
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    How to tell the generator voltage? (6 vs 12)

    I have a non-running 51 and figured out that I have a generator. The truck last ran 14 years ago and while the gauges didn't work (another story) I drove it enough that I assume that the generator was charging the battery. Now that I'm starting to trace each and every wire (and there are...
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    Suggestions for cleaning the underbody

    I wish that I had the time, money and experience to do a body off restore but I don't. Under the truck (51 GMC) is not terrible but there is a fair amount of gunk, rust (but no holes), built up dirt, etc on the underside of the truck and I'm looking for some feedback on how to clean it up...
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    '51 GMC Engine Paint Color

    From what I can tell the engine in my '51 GMC was painted red or orange. Does anyone know what the official colors should be and are there any spray can sources? (yes I know that doing a spray can paint job is less than perfect but I have limits to funds and teardown capability). thanks...
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    Is this an alternator or generator

    Sorry for the bad picture and what might be a stupid question. The truck last ran in 2000 and was converted to 12v, I'm assuming that it's an alternator but not sure how to test. One of the previous owners did the 12v conversion and there are a lot of unterminated wires, under the dash is a...
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