Tachometer: Description and Operation
Power Supply And Ground CircuitPower is supplied at all times
- through 7.5 A fuse [No. (40), located in the fuse block (J/B)]
- to combination meter terminal (15).
With the ignition switch in the ON or START position, power is supplied
- through 10 A fuse [No. (13), located in the fuse block (J/B)]
- to combination meter terminal (37).
Ground is supplied
- to combination meter terminal (16).
- through body grounds (M13), (M73) and (M111).
The tachometer indicates engine speed in revolutions per minute (rpm).
The tachometer is regulated by a signal
- from terminal (5) of the ECM (ECCS control module)
- to combination meter terminal (3) for the tachometer.