Hooking up a speedometer - JeepForum.com
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post #1 of 4 Old 10-01-2007, 09:07 AM Thread Starter
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1977 CJ5 
Join Date: Sep 2007
Location: Georgia
Posts: 26
Hooking up a speedometer

I have a 77 CJ-5 that the speedometer doesn't work, is this something the average person can do? I am decent with tools, but by no means am I a mechanic! If someone can give me a idea of how to do it I would appreciate any help.

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post #2 of 4 Old 10-01-2007, 09:50 AM
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1983 CJ7 
Join Date: May 2007
Location: Indiana
Posts: 165
First things first. Have you checked the speedometer cable? It shoud run from your t-case up into the dash and behind your speedometer cluster. Check to see if it is hooked up.
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post #3 of 4 Old 02-15-2008, 08:18 PM
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Ok I have a question. My cable is installed but I notcied it isn't spinning when you go down the road. I am assuming the cable is my problem. I received a new speedometer for christmas and wondered how hard it's going to be to install that and the cable and if anyone knows of a good step by step.
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post #4 of 4 Old 02-16-2008, 06:59 AM
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Join Date: Mar 2005
Location: South Carolina
Posts: 211
ok if you have a new speedo and you get a new cable, this is a very easy thing to do. there is 4 nuts holding the insrument to the dash the bolts are attached to the dash, unscrew them and pull back on the speedo. it will come right out. disconnect the cables that run to the fuel and water and be sure to mark them accordingly. unscrew the speedo cable and then carefully pull the lights from the cluster. be sure to mark which hole they came from mainly for your break light and 4wd indicator....to put it in just reconnect everything...

As for the Speedo cable its relativly easy...unscrew both ends (speedo will already be done and from the transfer case)...you cant miss where it screws into....the hardest part will be pulling it from where its secured to the vehicle, and running the new one... If I had to rate this for difficulty, id say easy.... you shouldnt have any problems....just make sure your cat converter is cool cause on mine the speedo cable runs above it and can burn ya... good luck..


81 Jeep CJ5 4" lift, 33" Mickey Thompson Baja Claw tires.
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