Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Vehicle Speed Sensor: Testing and Inspection

Fig. 50 Connecting tester leads to speed sensor circuit.:




Fig. 50b Testing Speed Sensor:






1. Remove cluster assembly, then connect leads of tester as shown by arrows in Fig. 50.
2. Turn inner cable slowly and check that tester indicates a continuity and an open circuit condition alternately.
3. If not satisfactory, replace speedometer assembly.