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

Tach issues

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Old Feb 6, 2014 | 06:43 PM
  #1  
blp226's Avatar
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Tach issues

My tach isn't working. When the car is off and the key isn't in the ignition the tach is off like it should be. But once I crank it the tach pegs all the way op and stays there. Some times I think it will jump a little and peg out again, but It does it so quick while I'm driving that it almost seams like I imagined it. LOL Any idea how to track it down and get it working?
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Old Feb 6, 2014 | 08:30 PM
  #2  
rwstegne's Avatar
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Joined: Nov 2010
Posts: 162
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From: Raleigh
Car: 1989 Iroc Z 5.7L
Engine: 5.7L
Transmission: T56
Axle/Gears: built 4.10s
Re: Tach issues

I purchased a fixed tach from another member gcj280 and then shipped him back my old one. Contact him, he might be able to help.
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Old Feb 6, 2014 | 08:36 PM
  #3  
zenish's Avatar
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Joined: Dec 2000
Posts: 1,271
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From: stallings,n.c.
Car: 1989 camaro rs convertable
Engine: 305 tbi
Transmission: 700r4
Axle/Gears: 7.5"3.42 gears forth gen 2000 camar
Re: Tach issues

https://www.thirdgen.org/forums/elec...meter-fix.html
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