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SPEEDO JUMPING.... HELP PLEASE.
http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=1&t=63689
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Author:  Mr. eXtreme [ Tue Nov 15, 2011 5:15 pm ]
Post subject:  SPEEDO JUMPING.... HELP PLEASE.

SO TODAY AT LUNCH I NOTICED MY SPEEDO STARTED JUMPING.
AT ONE POINT IT READ 0 AND I WAS GOING ABOUT 40 MPH.

WHAT'S GOING ON????

EVERYTHING ELSE SEEMS FINE. NO LIGHTS, SHIFTS AND DRIVES FINE.

CLUSTER ON IT WAY OUT?

IS IT COMPUTER CONTROLLED OR CABLE DRIVEN?

Author:  tjkj2002 [ Tue Nov 15, 2011 5:18 pm ]
Post subject:  Re: SPEEDO JUMPING.... HELP PLEASE.

Year of KJ? ABS or not? Need more info.

Most common for '05 and older KJ's is bad wiring connection on the rear sensor located on the top of the rear diff.Most cases very hard to find as it's inside the connector that most of the breaks happen.

Author:  Mr. eXtreme [ Tue Nov 15, 2011 5:23 pm ]
Post subject:  Re: SPEEDO JUMPING.... HELP PLEASE.

IT'S AN 02, TO BE HONEST I'M NOT SURE IF IT IS ABS OR NOT.
DOESN'T SEEM LIKE IT HAS IT WHN I BREAK HARD...

IT IS LIFTED AND HAS 265-75-16's

Author:  ridenby [ Tue Nov 15, 2011 5:43 pm ]
Post subject:  Re: SPEEDO JUMPING.... HELP PLEASE.

Wire at the top of rear axle like TJKJ says. Mine will act up after a jump or hanging axle down enough to pull on the wire.

Author:  Mr. eXtreme [ Tue Nov 15, 2011 6:12 pm ]
Post subject:  Re: SPEEDO JUMPING.... HELP PLEASE.

I'll check it out tonight thanks guys.

Author:  SweepnChoke [ Thu Nov 17, 2011 11:54 am ]
Post subject:  Re: SPEEDO JUMPING.... HELP PLEASE.

Had the same issue on my wife's 02, chaffed wire at the speed sensor connector by rear diff. Cut out the damaged wire, spliced in an extension, redid the connections, no issue since.

Author:  Mr. eXtreme [ Thu Nov 17, 2011 8:16 pm ]
Post subject:  Re: SPEEDO JUMPING.... HELP PLEASE.

Thanks Guys it's all fixed!

Crawled under there after work while was still a little light out and did it.

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