A/C Heater Control (Automatic Temperature Control) Connector End View (C1)
WARNING: This page is about a different car, the 2008 Jeep Grand Cherokee, 2007 Jeep Grand Cherokee, and 2006 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
CONTROL-A/C-HEATER C1 (ATC) - 22 WAY
| CAV | CIRCUIT | FUNCTION |
| 1 | F921 20PK/YL | FUSED RUN RELAY OUTPUT |
| 2 | A114 18GY/RD | FUSED B(+) |
| 3 | Z906 18BK | GROUND |
| 4 | D54 20WT | CAN B BUS (-) |
| 5 | D55 20WT/OR | CAN B BUS (+) |
| 6 | C115 20DB | DEFOGGER RELAY CONTROL |
| 7 | E2 20OR/BR | PANEL LAMPS DRIVER |
| 8 | G39 20VT/LB | SUN SENSOR NO. 1 SIGNAL |
| 9 | G139 20VT/OR | SUN SENSOR NO. 2 SIGNAL |
| 10 | - | - |
| 11 | G939 20VT/DB | SUN SENSOR RETURN |
| 12 | - | - |
| 13 | - | - |
| 14 | - | - |
| 15 | - | - |
| 16 | - | - |
| 17 | - | - |
| 18 | - | - |
| 19 | - | - |
| 20 | - | - |
| 21 | - | - |
| 22 | - | - |