1989 Chevy Cheyenne 1500
4 Answers
brotherben answered 6 years ago
Check your cable on the back of the cluster panel and transmission and condition of the cable. I'm unsure for that year if it's an electronic speedometer, if it is it's possible circuit board failure or dead diode. And also check your fuses.
Bigmacmofo answered 6 years ago
Check the cable could be the cable going into the transmission or behind cluster panel
Bigmacmofo answered 6 years ago
check transmission pull cable out check the plastic little gear probably worn out
Gunter0038 answered 5 years ago
I had this problem and he is right there’s a little plastic gear that was wore out and when I fixed it it works fine