Speedometer wire color????
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Junior Member
Joined: Jun 2002
Posts: 29
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From: Wilson, North Carolina
Speedometer wire color????
I have a 1989 Pontiac Firebird, 305 TBI and I am hooking up a digital speedometer and I can't figure out what color wire the speedometer sending wire is. I have a chart showing for temp, fuel, oil, ect ect but I cannot figure the speedo wire color out. If anyone can help me out, Let me know Please!
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Joined: Jul 1999
Posts: 4,384
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From: Tulsa, OK
The unbuffered signal wire is purple. The buffered signal wire is brown.
I'm not terribly familiar with Firebirds (they switched to electric way before Camaros did), but I believe that's all in your ECM's general area.
I'm not terribly familiar with Firebirds (they switched to electric way before Camaros did), but I believe that's all in your ECM's general area.
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