Re: Tap off Cigarette Lighter for Amp Remote Wire?
It stays on in most trucks and older cars, but I know that on my car it it ignition switched.
You want to tap the wire that goes to the center of the lighter. You should be able to tap the ignition wire for the HU though. If you search http://www.installdr.com/ for your car it will tell you what wires are what in the factory radio harness.
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