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#1
05-12-2004, 12:01 PM
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Tach Wires Help
87 Iroc, installed 94 LT1 engine. Needs RPM and engine temp. gauges hooked-up which wire is the power wire for the RPM? Red, Green or Black? Tryed wire from painless harness marked tach suppose to connect to tach, joined to a red wire nothing happened. Any help.
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#2
05-12-2004, 06:07 PM
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Re: Tach Wires Help
the green wire
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#3
05-13-2004, 12:48 AM
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Re: Tach Wires Help
not trying to say youre wrong ridge runner cause youre prolly not, but is this a stock guage or aftermarket, cause if its aftermarket i thought the green was the signal wire...atleast with all the tachs ive hooked up it was...
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#4
05-13-2004, 12:50 AM
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Re: Tach Wires Help
yea green usually is the signal wire, and red is the 12v source, white is for the light and black is the ground
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#5
05-13-2004, 12:51 AM
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Re: Tach Wires Help
well actually green is always the signal wire... lol
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#6
05-13-2004, 12:54 AM
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Re: Tach Wires Help
oh wait sorry, i just read the thread again and figured out what he was asking. really sorry about that, this is what happens when you post on no sleep...
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#7
05-13-2004, 12:57 AM
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Re: Tach Wires Help
haha its all good, i do it all the time and usually end up going back ot edit my post one or 2 times cause i f*cked up somewhere or another. lol
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