Gauge Testing
Gauge calibration requires the use of a special tester capable of generating resistance values and frequencies simulating various sensor readings.
COOLANT TEMPERATURE GAUGE CALIBRATION
| Pointer Position (Degrees Ferenheit) | Ohms |
|---|---|
| 96.5-103.5 | 1365 |
| 216.5-223.5 | 93.5 |
| 256.5-263.5 | 55.1 |
FUEL GAUGE CALIBRATION
| Pointer Position | Ohms |
|---|---|
| Empty | 105 |
| Half | 33 |
| Full | 5 |
OIL PRESSURE GAUGE CALIBRATION
| Pointer Position psi | Ohms |
|---|---|
| 0 | 1 |
| 40 | 46 |
| 80 | 87 |
SPEEDOMETER CALIBRATION
| Pointer Position MPH | Frequency Hz |
|---|---|
| 18.5-24.5 | 44.4 |
| 54.7-58.3 | 122.2 |
| 74.7-78.3 | 166.5 |
TACHOMETER CALIBRATION
| Pointer Position RPM | Frequency Hz |
|---|---|
| 1860-2140 | 66.7 |
| 4860-5140 | 166.7 |
VOLTMETER CALIBRATION
| Input Voltage (1) | Pointer Position | ||
|---|---|---|---|
| 12 | On 12-Volt Mark, Within 6 degrees | ||
| 16 | On 16-Volt Mark, Within 3 degrees | ||
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