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Re: Brake warning light help.
The temp and Brake warning lights are only supposed to come on during cranking as a bulb check function (and of course during over heat and brake fault) the fact that painless does not incorporate a bulb check feature in their wiring IMO is crap and could possibly open them up to liability, because the only way you could possibly know that the bulb is burned out is with the bulb check feature and without it you could loose your brake system and never know because the bulb is burned out. The ignition switch would also have to support this function they are typically grounded through the housing. If you wanted to you could also install a relay to mimic this function with the following hook up.
#30 to ground
#85 to ground
#86 tap into purple wire from ignition switch at NSS
#87 to tan and green wires to cluster (brake and temp)
That will ground out the green and tan wires during cranking.
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1965 GMC shortwide big window
1969 Chevy C20 long (for now)
2005 Silverado 2500HD Crew Cab
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