speedometer not working...
#3
Speedometer stays at zero diagnosis:
Odometer keeps rolling normally, no CEL -- speedometer head / cluster is bad.
Odometer stopped, CEL on -- most likely sensor problem.
Odometer stopped, CEL not on -- most likely head problem.
Peculiar to certain model years (since you didn't say which year you have):
pre 1992 have mechanical speedometer cable instead of electronic sensor. Cable is prone to break: disconnect transmission end, pull out cable core and inspect.
1996 to 2000 models prone to fuse 15 problem.
Odometer keeps rolling normally, no CEL -- speedometer head / cluster is bad.
Odometer stopped, CEL on -- most likely sensor problem.
Odometer stopped, CEL not on -- most likely head problem.
Peculiar to certain model years (since you didn't say which year you have):
pre 1992 have mechanical speedometer cable instead of electronic sensor. Cable is prone to break: disconnect transmission end, pull out cable core and inspect.
1996 to 2000 models prone to fuse 15 problem.
Last edited by mk378; 06-24-2010 at 05:07 AM.
#5
Did you plug the speed sensor back in? The sensor is located on top of the back part of the transmission, above where the CV axles go in. It has a 3 wire plug.
Also a 97 is real prone to fuse 15 problem, where the wires on the back of the engine short out to the intake manifold bracket and blow fuse #15 under the dash. This cuts power to the speed sensor (among other things) and the speedometer stops working. So check if fuse #15 under the dash is blown.
Also a 97 is real prone to fuse 15 problem, where the wires on the back of the engine short out to the intake manifold bracket and blow fuse #15 under the dash. This cuts power to the speed sensor (among other things) and the speedometer stops working. So check if fuse #15 under the dash is blown.
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