BODY ELECTRICAL SYSTEM — Instruments and Sender Gauges BE-49 SECTION TROUBLE I Tachometer Zero indication even with engine running Remove meter and connect sub-harness (SST) ① With the ignition S/W at ON position, does voltage between terminals 16 and 17 of sub- harness fluctuate with variations in engine rpm? No Bad wiring between igniter and meter Yes ② With the ignition S/W at ON position, does volt- age between terminals 3 and 6 of tachometer con- nector fluctuate between 0 and 1.5V when engine speed increases from 2,000 to 3,000 rpm? No Replace speedometer Yes Replace tachometer 1 2 Sub-harness (SST) Tachometer IG ⊖ E ② GND TACHO SI