speedo question
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New User
Joined: Jan 2013
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speedo question
hi guys, i just put a freshly rebuilt motor in my 79 f150 and a new (used) instrument cluster to go with it. i wanna set the mileage back to zero but i am unsure how to take speedometer apart without breaking it. i know its against the law where i live but who cares. does anyone know how to do this???
Why does my speedo needle bounce ????? Is it the cable or the guage? sorry for 
Senior User
Joined: Apr 2012
Posts: 324
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From: Spencer Mountain, NC
Reset mine but it ain't a fun job. At times you will need three hands. Too complicated to describe but you can do it just take your time. Photos before disassembly will help. Plan on reassembling 3-4 times before you get everything right. Never could get it to zero. Must have something to do with the design. Enjoy!!
Senior User
Joined: Mar 2004
Posts: 280
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From: Alabama
It could be because the cable is not inserted/ connected all the way into the speedometer. I've had the problem before (every other time I pulled the cluster) and after pushing it in just a little further it worked smoothly.
Senior User
Joined: Dec 2004
Posts: 438
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From: Palm Bay,Florida
My speedo cable end is frozen on the back of guage,won't come off even soaking with Pb and trying a pair of pliers on cable end. I wanted to grease the cable but can't remove.
Reclocking odometer looks like you can pull the pin that the numbers roll on and set #s and reinstall. Haven't tried it though.
Reclocking odometer looks like you can pull the pin that the numbers roll on and set #s and reinstall. Haven't tried it though.
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