GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 1999 🢒 Grand Prix 🢒 Transmission/Transaxle 🢒 Automatic Transaxle - 4T60-E 🢒 Wiring Harness Disassemble

    Object Number: 10503 Size: SH
  1. Use a small screwdriver in order to disconnect the wiring harness assembly (224) from the electrical connector (35) in the case.

    2. Object Number: 328379 Size: SH
  2. Use a small screwdriver in order to disconnect the wiring harness assembly at the following locations:
    3. • The 1-2 and 3-4 shift solenoid valve (315A)
    • The 2-3 shift solenoid valve (315B)
    • The TCC PWM solenoid valve (325)
    • The TCC apply solenoid valve (315)
    • The TFT sensor (391) located on the case cover or on the spacer plate
    • The wiring harness clip
  3. Remove the wiring harness assembly (224).