BE-42 BODY ELECTRICAL SYSTEM — Instruments and Sender Gauges SECTION TROUBLE C Speedometer Lights do not dim when light and rheostat S/W turned ON. Only speedometer? Yes Replace speedometer No Remove meter and connect sub-harness (SST) (1) With the ignition S/W at ON position, check that there is battery voltage between terminals 7 and 9 of sub-harness (SST) when rheostat turned ON. No (2) With the light S/W and rheostat turned ON, is there battery voltage on TC terminal of rheostat? OK No Yes Does speedometer dim when other meters are disconnected? Yes No Bad wiring between rheostat and meter Replace speedometer Check rheostat (See page BE-18) Connect other meters one by one to find bad meter. Replace bad meter 1 2 ON MAX Sub-harness (SST) MIN (Fade) Rheostat (Bright) TC (1) OFF E (1) TC E