Operation CHARM: Car repair manuals for everyone.

Dimmer Switch: Testing and Inspection

RHEOSTAT
1. Disconnect the negative (-) battery terminal.
2. Remove the crash pad lower panel.




3. Disconnect the connector from the rheostat.




4. Check for intensity. If the light intensity of the lamps changes smoothly without any flickering when the rheostat is turned, it can be assumed that the rheostat is normal.