2007 Cadillac STS VFACTORY OEM SERVICE PROCEDURE

Automatic Transmission Shift Lever Assembly

Fig 1: Automatic Transmission Shift Lever Assembly Connector End View
GM646384Courtesy of GENERAL MOTORS CORP.
Automatic Transmission Shift Lever Assembly Connector Parts Information

Connector Part Information 
  • OEM: 15332153
  • Service: 88986440
  • Description: 10-Way F GT 150 Series (BK)
Terminal Part Information 
  • Pins: A, B, C, D, E, F, G, H, K
  • Terminal/Tray: 12191812/19
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)
Automatic Transmission Shift Lever Assembly Connector Terminal Identification

Pin Wire Color Circuit No. Function
A D-GN/YE 6847 Shift Select Switch Park Supply Voltage
B D-GN 5525 Tap Up/Tap Down Trans Enable Switch
C YE 1491 Backlight Lamps Control
D BN 41 Run Ignition 3 Voltage
E RD/WH 3940 Battery Positive Voltage
F D-GN/WH 1932 Ignition Lock Cylinder Control Actuator Supply Voltage
G BK 450 Ground
H PU 5526 TCC Brake Switch
J - - Not Used
K D-GN/WH 1135 A/T Shift Lock Control Solenoid Supply Voltage
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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