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12-02-2002, 09:58 PM
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#1 |
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Registered Member
Join Date: Feb 2001
Location: Beaufort,SC,USA
Posts: 72
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"Tach"y question . . .
Folks-
I'm currently unmothballing my 1979 ponycar. I got it running and noticed that the stock tach now will run for a few minutes then peg out past 6K rpm. Obviously the engine remains at the same speed. When I turn the car off, then back on, the tach peggs again - without the engine running. Anyone ever seen this and fixed it? No fuses are blown, and the tach worked when the car was put away. Are there any circuit breakers or resistors in the tach? Thanks for the input.
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Pony Express 66 God Speed and keep it between the lines! There are precious few problems that cannot be solved with a judicious application of HIGH EXPLOSIVES! -Bud Webster |
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12-03-2002, 01:33 AM
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#2 |
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Registered Member
Join Date: Nov 2001
Location: St. Louis, MO
Posts: 644
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Probably just bad wiring. My bf's 89 GT's tach would stay at 3 grand all the time (engine running normal). On occasion it would work like it was supposed to.
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Danica Patrick is my homegirl |
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12-03-2002, 07:25 AM
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#3 |
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Registered Member
Join Date: Feb 2001
Location: Beaufort,SC,USA
Posts: 72
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I didn't wanna hear that!
You're probably right; I hate tracing wiring problems. They are as bad as, if not worse than, vacuum leaks. I guess it's off to the wiring diagrams - glad I got those!
Any suggestions on the best place to start? Thanks for the info. Have a great day.
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Pony Express 66 God Speed and keep it between the lines! There are precious few problems that cannot be solved with a judicious application of HIGH EXPLOSIVES! -Bud Webster |
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12-03-2002, 05:29 PM
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#4 |
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AKA "Dr. Evil"
Join Date: Feb 1999
Location: South Fork Ranch
Posts: 1,721
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Sorry, can't help you there...
If it makes you feel any better, I was chasing wiring gremlins through my steering column this week. Oh what joy... 
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Uncle Sam "What the hell is up with all the gauges? Calling Captain Kirk, your ride awaits... Phasers on stun...." |
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12-03-2002, 06:22 PM
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#5 |
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Registered Member
Join Date: Nov 2001
Location: St. Louis, MO
Posts: 644
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LOL yeah my bf was like screw it. He'd just listen to the engine to sknow when to shift. Um I don't know where to start. I guess by tearing apart the dash
  Anyway good luck  Haley
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