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Tac question

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Old 04-01-2006, 01:06 AM
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Tims 88GT
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yesterday i went to hook up my ford racing 5"tac and the freaking thing does not work, it is wired right and everything. what could be wrong?
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Old 04-01-2006, 01:08 AM
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primetime5.0
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Default RE: Tac question
where did you wire the line for the tach? if that makes any sense
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Old 04-01-2006, 01:09 AM
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grabbem88
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Default RE: Tac question
you hooked/spliced into your tach wire right?...then check your ground,and is yours 3 wire hook up?
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Old 04-01-2006, 01:11 AM
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Tims 88GT
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ok red is to 12 volt sorce, black is to ground, white is to head light switch, green is to coil, missing anything?
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Old 04-01-2006, 01:17 AM
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primetime5.0
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Default RE: Tac question
have you tried running it to the tach wire on the computer?
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Old 04-01-2006, 01:17 AM
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Tims 88GT
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no, what diff would that make?
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Old 04-01-2006, 01:18 AM
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grabbem88
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Default RE: Tac question
the coil wire has to be touching the tach wire i think?..
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Old 04-01-2006, 01:22 AM
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Tims 88GT
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the coil wire to dizzy wire? no i dont think that is right. but get this, the light in the tach works, but the tach its self does not, i can not set the shift light or anything.
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Old 04-01-2006, 01:25 AM
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grabbem88
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Default RE: Tac question
ok you did put in the groung side of the tach right?...it has plus or minus on the plug in.
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Old 04-01-2006, 01:26 AM
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Tims 88GT
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yea i put it on the right side, but then i tryed the other side, nothing worked.
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