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#1
Posted to rec.audio.car
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Head unit illumination wire problem
My car's factory wiring harness has two illumination wires: ILL+ and
ILL-. My head unit's harness only has one illumination wire. When I connect the illumination wire from my head unit's harness to the ILL+ wire on my car's factory harness, the head unit's backlight gets _brighter_ when I dim the lights using the car's dimmer control, and it gets _dimmer_ when I increase the brightness. Should I connect the head unit's dimmer wire to the ILL- wire on my car's harness instead of the ILL+ wire? Thanks |
#2
Posted to rec.audio.car
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Head unit illumination wire problem
No. Find a parking light wire +12V and use that instead. You'll just
damage the dash light circuit if you try and tie it to the radio. JD Alan wrote: My car's factory wiring harness has two illumination wires: ILL+ and ILL-. My head unit's harness only has one illumination wire. When I connect the illumination wire from my head unit's harness to the ILL+ wire on my car's factory harness, the head unit's backlight gets _brighter_ when I dim the lights using the car's dimmer control, and it gets _dimmer_ when I increase the brightness. Should I connect the head unit's dimmer wire to the ILL- wire on my car's harness instead of the ILL+ wire? Thanks |
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