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Old 07-19-2017, 06:31 PM   #15
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Join Date: Jul 2017
Location: Highlands Ranch, CO
Posts: 39
Re: Rewired 70 C10 heater and running lights on even if ign is not plugged in.

My "try it" method:

The blue board is the original board I bought with the truck. The bottom two tabs on the original circuit (2nd picture) were missing so I can't even verify it worked in the first place.

This would be an obvious place for it to be grounding so I'll have to remove the dash...again. Hopefully 3rd time is the charm.
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