Tools Required

WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.

J 44247 Internal Wiring Harness Installer. See Special Tools .

Fig 1: Using J44247 To Install Internal Wiring Harness Connector

Courtesy of GENERAL MOTORS CORP.

Install the internal wiring harness connector by hand into the transmission case.
Using J 44247 (2), install the connector of the internal wiring harness (1) into the transmission case. See Special Tools . The 4 tabs on the wiring harness connector should snap into place.
Make sure the wiring harness connector is securely in place.

Fig 2: Identifying Main valve Body Solenoids, Switches & Harness

Courtesy of GENERAL MOTORS CORP.

Remove the shift solenoid retainers (1) from shift solenoid 2 (SS2) (4) and SS3 (5).
Install the internal wiring harness (2) onto the main valve body (10).
Install the shift solenoid retainers (1) over the wiring harness tabs.
Connect internal wiring harness (2) to the following components:
- Transmission fluid pressure (TFP) switch (9)
- Transmission internal mode switch (IMS)
- SS1 (8)
- Torque converter clutch pressure control solenoid (TCC PCS) (3)
- SS2 (4)
- SS3 (5)
- PCS2 (6)
- PCS1 (7)
- Modulated main pressure (MAIN MOD) solenoid (11)