pondering my speedometer

Joined
Feb 5, 2005
Messages
78
Location
At the drag strip.
Ok, maybe some of you have had a similar experience and can help me out on this one. About 2 weeks ago, my speedo started to become erratic (as opposed to erotic... if that happened, I would probably just keep this to myself). I suspect it is the speed sensor on the back of the transfer cace, but it could also be the speedo head or possibly the wiring. The speedo needle works occasionally but doesn't work most of the time and sometimes it bounces up and down while I'm driving. I have also on one or two occasions seen it bounce while I was sitting at a stoplight. I just wanted to know if anyone else has has a similar experience and what fixed it. The cost of parts keeps me from wanting to start swapping parts until I finally find that special one that does the trick. Thanks in advance for the help. :cheers:
 
Joined
Nov 16, 2003
Messages
6,048
Location
Dixie co. Florida
is the 94 electric or mechanical? the early ones were mechanical, the later electric, I don’t know when the changeover was, your symptoms sound like problems I have had with mechanical speedo's
 

woody

unhelpful spotter
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Joined
Jan 15, 2002
Messages
10,579
Location
Toquerville UT
IIRC, the drive gear off the t-case is plastic...possible the teeth have stripped/worn...

otherwise, triple check all the connections, checking for corrosion...trace the wires checking for pinch points or a poor ground connection...
 
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