Topic: Tach needle shakes
in Forum: C3 Electrical
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Former Member
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San Antonio, TX - USA
Joined: 9/8/2003
Posts: 117
Vette(s): 1973 Corvette Roadster
Elkhart Green, 300hp 4-spd // 2003 Millinium Yellow Coupe
My tach gauge needle “shakes” When I worked for a Pontiac dealer a couple of decades ago, when a car came in with the speedometer needle shaking, we would pull the center cable out and re-lube it and twist it back in. Can this be done on my 73’ tach cable? If so can I pull it from the distributor?
Thanks,
Rick

Thanks,
Rick

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COPPERAS COVE, TX - USA
Joined: 7/6/2002
Posts: 417
Vette(s): 1972 corvette stingray convertible
2007 coupe
Does your car have the tach drive dist? If it does then it is the gear drive in the dist going bad. If not then the cable probably needs attention.
What type of green is your vett Mavrick?
Former Member
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San Antonio, TX - USA
Joined: 9/8/2003
Posts: 117
Vette(s): 1973 Corvette Roadster
Elkhart Green, 300hp 4-spd // 2003 Millinium Yellow Coupe
The orignal color was Elkhart green, it was repainted alittle lighter green than original. It's got a pearlesence <sp?> to it. It's actually looks med. green in the shade, and bright green with a goldish tint in the sun,
I was able to lubre the tach cable to stop the "shakes"
Rick
I was able to lubre the tach cable to stop the "shakes"
Rick
Former Member
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Eastern part of, CT - USA
Joined: 1/29/2002
Posts: 319
Vette(s): White 73 convertible - 350/auto, A/C PS, PB, PW, leather, t/t, two tops
Also had a 69 t-top 20 years ago
you have to disconnect the cable from the tach to remove the center. use a light grease, like the spray white grease in a can. joe
Former Member
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San Antonio, TX - USA
Joined: 9/8/2003
Posts: 117
Vette(s): 1973 Corvette Roadster
Elkhart Green, 300hp 4-spd // 2003 Millinium Yellow Coupe
As Joe stated, you only need to disconnect one end, use needlenose pliers to pull out the inner cable from the sheath, grease the cable (not the ends)then push it back into the sheath, give it a little twist at the end to inset into the gauge.
Rick
Rick
in Forum: C3 Electrical
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