Gauge Testing: Notes
WARNING: This page is about a different car, the 1995 Jeep Wrangler. However, it is still accessible from the selected car via links, so may be relevant.
Compare resistance values of malfunctioning gauge to specifications. See the following list for proper specification:
- OIL PRESSURE GAUGE RESISTANCE
- FUEL GAUGE RESISTANCE
- TACHOMETER CALIBRATION
- TEMPERATURE GAUGE RESISTANCE
- VOLTMETER CALIBRATION
OIL PRESSURE GAUGE RESISTANCE
| Oil Pressure (psi) | Ohms |
|---|---|
| 0 | 1 |
| 40 | 47 |
| 80 | 89 |
FUEL GAUGE RESISTANCE
| Application | Ohms |
|---|---|
| Empty | 1 |
| 1/2 Full | 44 |
| Full | 88 |
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 (82°) | 1365.0 |
| 210°F (99°C) | 115.0 |
| 240°F (116°C) | 55.1 |
VOLTMETER CALIBRATION
| Voltage Input | Pointer Position |
|---|---|
| 12V | On 12V Mark +/-6° |
| 16V | On 16V Mark +/-3° |