Odometer Failure I have a 92 Firebird the speedometer is working but the odometer is not. I have exchanged the odometer and instrument cluster and it still doesn't work any input would be appreciative. |
Re: Odometer Failure Both speedometer and odometer are driven by the same 12v IGN, ground and speed signal input. If one works and the other doesnt, then the in-op part is defective Strange that even a replacement is broken, but theres really no way for one to work and the other not to without one being bad |
Re: Odometer Failure I check a auto-electric specialist and he agrees with you that the ground would not be the cause of just one failure but would cause both the trip mileage/odometer and the speedometer to not work togeather. The speed signal input is not the problem. The speedo sensor may be involved there are three types do you know where the stamped trani number is? |
Re: Odometer Failure
Originally Posted by WaltB_FB92
(Post 4534452)
I check a auto-electric specialist and he agrees with you that the ground would not be the cause of just one failure but would cause both the trip mileage/odometer and the speedometer to not work togeather. The speed signal input is not the problem. The speedo sensor may be involved there are three types do you know where the stamped trani number is? They suspected the circuit board in the instrument panel may be malfunctioning but he said it was only a GUESS as they are stumped... |
Re: Odometer Failure I located the problem with my odometer gear, and it occurs throughout the 92 range Firebird, inside the speedometer is a small double layer gear that works the trip odometer. These double layer gear brakes down in the Florida heat and becomes britel and then becomes a plastic powder. I've checked three differant dash clusters from 92s and they have all worn down. I've tried to locate a distributor for the gear but have not found one yet. If you know of one let me know. I have pictures of the gear in attachment. |
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