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Re: If my truck has a temp gauge does the temp light function?
How does the ignition key ground the bulbs? I don't see a relay anywhere, and am not aware of a switched ground coming out of the switch (or is there?)
So when the purple crank wire goes hot, what grounds the bulbs during crank?
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1970 GMC Sierra Grande Custom Camper - Built, not Bought
1969 Pontiac 2+2 427/390 4-speed Coupe
1969 Pontiac 2+2 427/390 4-speed Convertible
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