Electrohydraulic Control Unit Assembly (NAG1) Connector End View
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.
ASSEMBLY-ELECTROHYDRAULIC CONTROL UNIT (NAG1) - 13 WAY
| CAV | CIRCUIT | FUNCTION |
| 1 | T71 18OR (DIESEL) | INPUT SPEED SENSOR 2 (N3) SIGNAL |
| 1 | T71 20YL/OR (GAS) | INPUT SPEED SENSOR 2 (N3) SIGNAL |
| 2 | T76 18YL/BK (DIESEL) | MODULATION PRESSURE SOLENOID CONTROL |
| 2 | T76 20YL/TN (GAS) | MODULATION PRESSURE SOLENOID CONTROL |
| 3 | T70 18YL/BR (DIESEL) | INPUT SPEED SENSOR 1 (N2) SIGNAL |
| 3 | T70 20YL (GAS) | INPUT SPEED SENSOR 1 (N2) SIGNAL |
| 4 | T54 18GY/WT (DIESEL) | TRANSMISSION TEMPERATURE SENSOR-P/N SWITCH SIGNAL |
| 4 | T54 20DG/WT (GAS EXCEPT SRT8) | TRANSMISSION TEMPERATURE SENSOR-P/N SWITCH SIGNAL |
| 4 | T54 20DG/OR (SRT8) | TRANSMISSION TEMPERATURE SENSOR-P/N SWITCH SIGNAL |
| 5 | - | - |
| 6 | T78 18YL | SOLENOID SUPPLY VOLTAGE |
| 7 | T72 18YL/BL (DIESEL) | SENSOR SUPPLY VOLTAGE |
| 7 | T72 20YL/DB (GAS) | SENSOR SUPPLY VOLTAGE |
| 8 | T74 18YL/OR (DIESEL) | 2-3 SOLENOID CONTROL |
| 8 | T74 18YL/LG (GAS) | 2-3 SOLENOID CONTROL |
| 9 | T73 18GY/YL (DIESEL) | 2-3 SOLENOID CONTROL |
| 9 | T73 18YL/GY (GAS) | 3-4 SOLENOID CONTROL |
| 10 | T77 18YL/BR (DIESEL) | SHIFT PRESSURE SOLENOID CONTROL |
| 10 | T77 20YL/BR (GAS) | SHIFT PRESSURE SOLENOID CONTROL |
| 11 | T75 18BL/YL (DIESEL) | TCC SOLENOID CONTROL |
| 11 | T75 18YL/LB (GAS) | TCC SOLENOID CONTROL |
| 12 | T78 18GY/VT (DIESEL) | SENSOR GROUND |
| 12 | T13 20DG/VT (GAS) | SENSOR GROUND |
| 13 | T60 18GY/BK (DIESEL) | 1-2/4-5 SOLENOID CONTROL |
| 13 | T60 18DG/BK (GAS EXCEPT SRT8) | 1-2/4-5 SOLENOID CONTROL |
| 13 | T60 18YL/GY (SRT8) | 1-2/4-5 SOLENOID CONTROL |