Operating Light Control Rheostat Does Not Change Light Brightness

METER: METER / GAUGE SYSTEM: Operating Light Control Rheostat does not Change Light Brightness

Operating Light Control Rheostat does not Change Light Brightness

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. INSPECT LIGHT CONTROL RHEOSTAT




(a) Remove the light control rheostat.
(b) Measure the resistance of the rheostat.
Standard resistance:






NG -- REPLACE LIGHT CONTROL RHEOSTAT
OK -- Continue to next step.

2. CHECK WIRE HARNESS (RHEOSTAT - METER, BATTERY AND BODY GROUND)




(a) Disconnect the R7 rheostat connector.
(b) Disconnect the C10 meter connector.
(c) Measure the resistance of the wire harness side connectors.
Standard resistance:





(d) Measure the voltage of the wire harness side connectors.
Standard voltage:






NG -- REPAIR OR REPLACE HARNESS AND CONNECTOR
OK -- REPLACE COMBINATION METER