Gauge Testing
Compare resistance values of malfunctioning gauge to specifications. See the following list for proper specification.
- See: OIL PRESSURE GAUGE RESISTANCE
- See: FUEL GAUGE RESISTANCE
- See: TACHOMETER CALIBRATION
- See: TEMPERATURE GAUGE RESISTANCE
- See: VOLTMETER CALIBRATION
OIL PRESSURE GAUGE RESISTANCE
| Oil Pressure (psi) | Ohms |
|---|---|
| 0 | 1 |
| 40 | 46 |
| 80 | 87 |
FUEL GAUGE RESISTANCE
| Application | Ohms |
|---|---|
| Empty | 105 |
| 1/2 Full | 33 |
| Full | 5 |
TACHOMETER CALIBRATION
| Application | Frequency | RPM |
|---|---|---|
| All Engines | 66.7 HZ | 1860-2140 |
| 166.7 HZ | 4860-5140 | |
TEMPERATURE GAUGE RESISTANCE
| Application & Test Temperature | Ohms |
|---|---|
| 100°F (38°C) | 1365.0 |
| 220°F (104°C) | 93.5 |
| 260°F (127°C) | 55.1 |
VOLTMETER CALIBRATION
| Voltage Input | Pointer Position |
|---|---|
| 12V | On 12V Mark +/-6° |
| 16V | On 16V Mark +/-3° |