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Aftermarket dimmer wire


Chapap

Active Member
U.S. Military - Veteran
Joined
Jul 31, 2021
Messages
348
Reaction score
135
Points
43
Location
Florida
Vehicle Year
1994
Make / Model
Ford Ranger XLT
Engine Type
2.3 (4 Cylinder)
Transmission
Manual
2WD / 4WD
2WD
Total Drop
1.5” till I get these springs replaced
Tire Size
225-70-R14
So I’ve found a few threads about the dimmer wire, but not really an answer. My harness and radio both have the wire (orange). Problem is it doesn’t work. I’m assuming the new radio is looking for a certain voltage (12v?) on that wire to know when to kick in the dim setting. I’m also assuming the car isn’t providing a high enough voltage, even on high, to satisfy whatever voltage the radio is looking for. So if I want it to work, I’ll have to wire the illumination wire from the radio to a headlight or parking light wire. Sound about right?
 


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