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| | | | Joined: Jan 2011 Posts: 24 New Guy | | New Guy Joined: Jan 2011 Posts: 24 | My 54 pickup is pretty much original except for 12 volt conversition.
Recently the speedometer quit working but the odometer works fine. What could be the problem and can it be fixed?
I'm guessing that since the odometer works that the cable is good.
Thanks,
Gerry | | | | | Joined: Jun 2004 Posts: 8,597 Riding in the Passing Lane | | Riding in the Passing Lane Joined: Jun 2004 Posts: 8,597 | Your guess is correct. There is a problem in the speedo head. You need to get it repaied or a new or salvage one.
They say money can't buy happiness. It can buy old Chevy trucks though. Same thing. 1972 Chevy c10 Cheyenne SuperIn the Gallery Forum | | | | | Joined: Jan 2011 Posts: 24 New Guy | | New Guy Joined: Jan 2011 Posts: 24 | I can buy a good used one for $75 or have mine rebuilt for $125.
My thinking is buy the good used one and do the job all at once rather then wait 2 weeks turn around time.
Any thoughts on which way is better?
| | | | | Joined: Oct 2006 Posts: 1,847 'Bolter | | 'Bolter Joined: Oct 2006 Posts: 1,847 | The rebuilt one most likely has a better chance of being closer to accurate and a better chance of lasting a while. Assuming of course that it has had a decent rebuild. By the way where would you be sending the unit if you were to go that way? I have one I would like to get restored. | | | | | Joined: Jun 2010 Posts: 1,001 Shop Shark | | Shop Shark Joined: Jun 2010 Posts: 1,001 | In case the OP is not aware, there is no mechanical connection between the cable driven parts of the speedo and the indicator needle. The connection is magnetic. So, unless the indicator needle post is broken, the likely culprit is dried grease preventing the magnetic pull from rotating the needle shaft. The connection is hard to explain, but sort of a magnetized cup in a larger cup. Offsetting magnets...allows for dampening out the fluctuations, etc.
The speedos are easy to disassemble and clean. | | |
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