A/C Control Unit Circuit Test
Check voltage between ground and indicated A/C control unit terminals. See A/C CONTROL UNIT CIRCUIT TEST table. See Fig 1.
A/C CONTROL UNIT CIRCUIT TEST
| Terminal No. (Circuit) | Condition | Volts |
|---|---|---|
| 53 (Back-Up Power) | At All Times | 12 |
| 107 (Ground) | At All Times | 0 |
| 108 (Power Source) | Ignition On | 12 |
| 115 (Ground) | At All Times | 0 |
| 116 (Power Source) | Ignition On | 12 |