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Ok I have a new speedometer cable, new speedometer but it still doesn't work. I have the old highway gears, my year one book calls for a white gear but mine is orange red color could that be the reason it doesn't work?
Color usually just means different teeth. This determines speed of rotation of your speedo cable and as such the visible speed. This is how you compensate for different tire sizes etc. you can bypass this with a small box that interfaces in the cable and can adjust speed rather than keep changing the gear.
is the cable broken? not fully engaged in the back of the speedometer? most speedo's from this era are driven by a rotating magnet on the end of the cable that "drags" the needle around. so there isn't a direct connection to the cable. most likely problem is b, cable not fully engaged in the speedo. hope that helped
Well put a drill on speedometer cable and the cable is good and the speedometer does work it went to 20 miles an hour so is there anything that could be wrong with where it comes out of tranny
It sounds like the plastic speedo gear is not meshing with the trans output shaft worm gear.
There is one bolt that holds a “fork” looking hold down for the speedo gear retainer. There are 4 positions 90 degrees apart that you can install the speedo gear retainer in the transmission. Each position is a different distance from the trans. output shaft speedo worm gear via rotation to the 4 positions. If the plastic speedo gear is not correctly installed via the retainer position the plastic gear will not mate with the worm gear on the output shaft. Therefore it will not turn the plastic gear which will not turn the cable, etc. The reason for the 4 position is for different diameter (read number of teeth) plastic speedo gears.
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