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Old 07-04-2011, 09:44 PM   #1
hotrods1795
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Default Painless Wiring System

I bought a 69 Barracuda that came with a painless wiring system and it had a tach in it with 3 wires. The tach I'm putting in has 4 wires and is an Autometer Carbon Fiber with a shift light. I know one wire goes to the lights, one to the ground and one to a 12 volt source. Where does the other wire go? Could someone help me to get this tach to work. There is also a 6AL MSD and blaster coil.

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Old 07-04-2011, 09:55 PM   #2
Doug Blackley
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Default Re: Painless Wiring System

The green wire goes to the terminal on the side of the MSD box.
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Old 07-05-2011, 09:05 PM   #3
hotrods1795
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Default Re: Painless Wiring System

Thanks
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Old 07-05-2011, 09:27 PM   #4
Mark Madison
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Default Re: Painless Wiring System

Green = MSD or coil
White = Dash lights
Red = 12v switched Ignition
Black = Ground
Blue = Clutch switch or line lock

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Old 07-06-2011, 09:21 PM   #5
hotrods1795
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Default Re: Painless Wiring System

thanks for the info
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