Electronics Need help wiring something up? Thinking of adding an electrical component to your car? Need help troubleshooting that wiring glitch?

tach wire location

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Old Jul 3, 2014 | 11:31 PM
  #1  
jman1234's Avatar
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Joined: Jun 2014
Posts: 11
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From: homosassa fl
Car: 1990 firebird formula one
Engine: 305 tpi
tach wire location

just instaled a msd ignition box cant find tach wire to hook up rev limiter ne one know where yhe tach wire is that hooks up to my gray wire on msd box
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Old Jul 7, 2014 | 05:10 PM
  #2  
NINÅ's Avatar
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Joined: Jan 2006
Posts: 3,341
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From: Mooresville NC
Car: LOWERED ♦ CRIMSON METALFLAKE
Engine: ► 400 KUBES ◄
Transmission: 765R4
Axle/Gears: EATON POSI 4.56
Wire Mire

The tach wire goes from the PRIMARY non-key side of the coil, to the firewall connector, to the dash connector, to the tach.

It’s a
White wire.


Happy Racing !



Make Noise, Turn Left, Repeat

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