Rpm Gauge
Thread Starter
Senior Member
Joined: Jul 2007
Posts: 582
Likes: 0
From: Manteca, Ca
Car: 1983, 1986, 2001 Trans Am
Engine: 305 cfi, 350 carb, LS1
Transmission: 700,Edge 2800 th350,Edge 3400 4L60E
Axle/Gears: 9 Bolt 3.27 Borg-Warner, built 3.73
Rpm Gauge
I have a 1986 305 Tpi and my rpm gauge is not working... no fuses are popped and its the only gauge not workin kinda lost and dont kno where to look now any suggestions would be helpful thanks
Junior Member
Joined: Apr 2009
Posts: 56
Likes: 0
From: sacramento, ca
Car: 1987 iroc
Engine: blown up for now
Transmission: 700r4
Axle/Gears: 10 bolt/stock
Re: Rpm Gauge
sorry, i dont know how to fix it, but if you wanna replace it, i have one out of my 87 tpi that you can have.
Joined: Dec 2005
Posts: 6,499
Likes: 31
From: Macon, GA
Car: 1992 Camaro RS
Engine: Vortec headed 355, xe262
Transmission: T56
Axle/Gears: 9-bolt 3.70
Re: Rpm Gauge
The tach wire comes off the distributor. Look at the distributor or the coil and you should see a big fat wire from the battery, and a smaller wire that goes to the tach. Make sure it's connected and trace the small one and see if there's a break.
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