aftermarket tach install ??? -

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post #1 of 6 Old 02-10-2011, 04:05 PM Thread Starter
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1978 J-Series Truck 
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aftermarket tach install ???

im thinking of getting this:

question is- how does it install? thanks for the help

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post #2 of 6 Old 02-10-2011, 04:30 PM
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1997 ZJ 
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Probably simply connects to one if the sides of the coil. I can't remember which one exactly.

Current jeeps:
1997 ZJ Orvis
1997 TJ 4.0L 5-speed
1993 YJ Sahara Trail Rig
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post #3 of 6 Old 02-10-2011, 07:22 PM
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1989 FSJ Wagoneer 
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^^ Yup Attaches to the coil . Instructions should inform you on that part . And if there is a power lead for the night light ? It generally plugs into to your lights fuse or ignition
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post #4 of 6 Old 02-10-2011, 10:32 PM
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i installed an aftermarket tach on my wagon, and just looked at the instructions. i had no problem at all installing mine. i dont see why you would.
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post #5 of 6 Old 02-11-2011, 08:07 AM
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Aftermarket tachs are a simple four wire hookup. I've never seen one stray from this wiring scheme. Green to the negative side of the coil, red for key on power, white for lighting, and black for the ground.
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post #6 of 6 Old 02-11-2011, 08:26 AM Thread Starter
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excellent. thanks for the help guys. now to drop hints to my wife
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