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Old 04-30-2018, 12:31 PM   #18
VetteVet
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Join Date: Jan 2005
Location: Kalamazoo, Michigan
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Re: If my truck has a temp gauge does the temp light function?

Quote:
Originally Posted by davepl View Post
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?
It is internal in the switch and it is not connected to any thing else but the two lights.
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