Question about 1994 Honda Civic
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Posted on Jan 02, 2017
Your problem is NOT a fuse. The speedometer receives an electronic signal from an analogue transmitter mounted in the rear differential. It's the little button in the rear diff with two wires attached to it. Check to see if the wiring is chaffed or broken. If not, then it's probably the transmitter. A competent mechanic should be able to replace one for less than 200.00, parts and labor. If this does not fix it, then the problem is in the head, which can be expensive. You might get a used head if you can get a 90 day guarrantee on the part from the salvage company.
Posted on Oct 21, 2008
Sounds like either your speedometer cable, your nylon gear on the side of the tranny where the cable ties in, or the odometer itself is shot. One of those three will set you straight. If you are able, remove the cluster, take the cable off the back, and pull it out of the sheath. You will see if its broken or not from there. If not, slide it back into the sheath, then you have to find out where the sheath meets the tranny, and pull it off of there. Then, you can get someone else to watch the speedo as you turn the cable from the bottom. If it works, great, if not, then its your cluster/odometer/speedo. If it does work, the small gear in the transmission is shot.
Posted on Feb 14, 2009
The transmission speed sensor is probably going bad, it's located on the bellhousing, back by the firewall, and has a plug with either 2 or 3 wires. This sensor controls both the transmission shift points and the speedometer, the only gauge the ECM feeds information to is the tachometer. This sensor isn't that hard to replace, but last time I checked the only place that carries them is the dealer. But I don't remember them being that expensive a heck of alot cheaper than an ECM. Good luck and hope this solves your problems, I think it will.
Posted on May 19, 2009
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