Bench Test
Remove instrument cluster. See INSTRUMENT CLUSTER under REMOVAL & INSTALLATION. Measure resistance between tachometer terminals. See Fig 1. Ensure resistance is as specified between appropriate terminals. See TACHOMETER RESISTANCE table. If resistance is not as specified, replace tachometer.
TACHOMETER RESISTANCE
| Terminals | Ohms |
|---|---|
| A & B | 140-185 |
| C & D | 130-175 |