my speedmoter doesn't work and I have replaced the sensor on 1991 GMC Sonoma

My speedometer does not work and I have replaced the sensonr. Any helpful hints?

by in Scott City, MO on September 06, 2010
1 answer
ANSWER by on September 06, 2010
you need to check the drive and driven gear on the output shaft of the trans. common failure as the plastic gear dishes out and stops turning. Roy

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