Want to wire in a Tachometer

Started by Jonpro03, July 19, 2009, 09:34:14 PM

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Jonpro03

Found a old tach in my buddies garage and want to wire it in. Where do I get the tach signal?

1997 Grand Prix GTP coupe topswap
1990 Turbo Grand Prix Black/Tan Interior 15.05 1/4mile

mfewtrail

I believe the white wire at the ignition control module is the tach signal wire. I'll have to check to be 100% certain though.
'93 SE, '90 Black/tan TGP, & '90 Red/tan TGP

89BlackTGP

1996 Pontiac Grand Prix SE 3100/4T60-E (Black)

1995 Pontiac Grand Prix GTP 3.4 DOHC/4T60-E (White)

1990 Pontiac Turbo Grand Prix 3.1/4T60 (Black)

Jonpro03


1997 Grand Prix GTP coupe topswap
1990 Turbo Grand Prix Black/Tan Interior 15.05 1/4mile

killinprixs

is it the only white wire on the bigger plug?  i want to do this while i currently have the ICM out. thanks!

mfewtrail

Yep, it's the only white wire in the larger 6 wire plug.
'93 SE, '90 Black/tan TGP, & '90 Red/tan TGP