Brown HVAC Wire Constant 12v or accsessory 12v???
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Joined: Aug 2006
Posts: 248
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From: Washington
Car: 89 Iroc
Engine: 5.7 TPI
Transmission: 700r4
Axle/Gears: 9 bolt Borg Warner Disk Brake Posi
Brown HVAC Wire Constant 12v or accsessory 12v???
SO i got my heater to work it was a ground issue easly fixed after diagnosing it. But i can turn my heater on when the ignition is off so im wondering if that brown main power wire for the whole HVAC is supposed to be on the accsessory circuit. because my brown wire has 12v allways not just when the ignition is on. lol so im finding out my car has alot of electrical wiring issues im gaining alot of experience tho! thansk alot.
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