C: Instrument Cluster Will Not Dim or Does Not Dim Properly

C1 CHECK DIMMER VOLTAGE


^ Disconnect battery ground cable


^ Remove instrument cluster.


^ Connect battery ground cable


^ Turn ignition switch lock cylinder to RUN. Turn headlamps ON.


^ Voltage at Connector B, Pin 13 should vary from 5 volts to battery voltage while operating dimmer.


^ Does voltage check OK?


Yes

System OK.


No

REPLACE instrument cluster.