Odometer Does Not Accumulate Mileage, Or Counts 10 Miles & Jumps Back 10 Miles

If odometer accumulates 10 miles then loses 10 miles, replace cluster. If odometer does not accumulate mileage, verify speedometer works properly. If speedometer operates properly, replace cluster. If speedometer does not operate properly, go to SPEEDOMETER INDICATES 0 MPH AT ALL SPEEDS WITH VEHICLE IN MOTION.