Tach doesn't work any ideas.
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From: Fargo, Nd/ Houghton, Mi
Tach doesn't work any ideas.
1990 f150. It seems to want to work when i have truck in park and push down on the gas pedal the tach will jump a little. Any help would be great.
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From: Wyoming County, West Virginia
Originally Posted by BigRed1990
1990 f150. It seems to want to work when i have truck in park and push down on the gas pedal the tach will jump a little. Any help would be great.
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Joined: Sep 2009
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From: Florida
If it's factory, probably broken. Mine was broked, with any power to the gauge, it'd go to 3400 rpm. And when I gave it some gas it jumped a little bit. Go get a factory tach from a junkyard, I did, cost me 10 bucks, and it works great.
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From: Spokane, WA
Upper Middle Class
Joined: Aug 2009
Posts: 2,628
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From: Wyoming County, West Virginia
My aftermarket tach started doing the same thing as what your factory one is doing. Come to find out, the wire going to the coil from the tach was about to fall off. Fixed it, and it's good as new now.