2004 Chevrolet ClassicFACTORY OEM SERVICE PROCEDURE

Automatic Transmission Shift Lock Control Connector End Views

WARNING: This page is about a different car, the 2004 Pontiac Grand Am and 2004 Oldsmobile Alero. However, it is still accessible from the selected car via links, so may be relevant.
A/T Shift Lock Control Solenoid Connector End View

GM280768Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12052832
  • 2-Way F Metri Pack 150 Series (BLK)
Pin Wire Color Circuit No. Function
A DK GRN/
WHT
1135 A/T Shift Lock Control Solenoid Supply Voltage
B BLK 250 Ground
Park/Neutral Position (PNP) Switch Connector End View

GM901039Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 15416724
  • 12-Way F Global Terminal 150/280 Series Sealed (BLK)
Pin Wire Color Circuit No. Function
1 PPL 6 Starter Solenoid Crank Voltage (L61)
1 PPL/WHT 1035 Starter Relay Coil Supply Voltage (LA1)
2 WHT 776 Transmission Range Switch Signal P
3 LT GRN 275 Park Neutral Position Switch Park Signal
4 LT GRN 24 Backup Lamp Supply Voltage
5 PNK 539 Ignition 1 Voltage
6-7 - - Not Used
8 YEL 772 Transmission Range Switch Signal B
9 BLK/WHT 771 Transmission Range Switch Signal A
10 GRY 773 Transmission Range Switch Signal C
11 BLK/WHT 451 Ground
12 YEL 5 Crank Voltage (L61)
12 PPL 1500 Ignition 0 Voltage (LA1)
Stop Lamp Switch, C1 Connector End View

GM73251Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12033701
  • 2-Way F Metri Pack 480 Series (GRY)
Pin Wire Color Circuit No. Function
A ORN 140 Battery Positive Voltage
B LT BLU 20 Stop Lamp Supply Voltage
Stop Lamp Switch, C2 Connector End View

GM40397Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12033706
  • 4-Way F Metri Pack 280 Series (BLU)
Pin Wire Color Circuit No. Function
A LT GRN 275 Park Neutral Position Switch Park Signal
B DK GRN/
WHT
1135 A/T Shift Lock Control Solenoid Supply Voltage
C-D - - Not Used
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

When to See a Mechanic

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

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

Rather have a pro handle this?

A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.

Comes to youSame-day available12-month warranty
Get a Free Quote

No obligation. See pricing before you book.