K 3500 Truck 4WD V8-454 7.4L (1994)
Odometer: Symptom Related Diagnostic Procedures
Speedometer and Odometers Do Not Operate
CAUTION: These tests requires that you free-roll the rear wheels of the vehicle on the hoist. Be sure the wheels are free of obstructions and that you
and others stay clear of the wheels at all times. Failure to do so may result in injury or death. do not bring wheel speed above 70 MPH.