Wiring Harness: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| 4T60E | ||||
| Harness Assembly | 5.9 | 4.1 | B | |
| A Solenoid | 5.9 | 4.1 | B | |
| B Solenoid | 5.9 | 4.1 | B | |
| PWM Solenoid | 5.9 | 4.1 | B | |
| TCC Solenoid | 5.9 | 4.1 | B | |
| 4T65E | ||||
| Harness Assembly | 4.6 | 3.0 | B | |
| 1st-2nd Shift Solenoid | 4.6 | 3.2 | B | |
| 2nd-3rd Shift Solenoid | 4.6 | 3.2 | B | |
| TCC PWM Solenoid | 4.6 | 3.2 | B | |
| TCC On/Off Solenoid | 4.6 | 3.2 | B |