GM Service Manual Online
For 1990-2009 cars only
Connector 1: Heater Element Seat Back - Driver
Connector 2: Heater Element Seat Back - Passenger
Connector 3: Lumbar Adjuster/Heater Switch - Driver
Connector 4: Lumbar Adjuster/Heater Switch - Passenger

Heater Element Seat Back - Driver


Object Number: 258301  Size: CH

Connector Part Information

  • OEM: 12059254
  • Service: 12126020
  • Description: 2-Way M Metri-Pack 150 Series (L-GN)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Heater Element Seat Back - Driver

Pin

Wire Color

Circuit No.

Function

A

BK

--

Ground

B

YE

--

Heated Seat Back Element Supply Voltage

Heater Element Seat Back - Passenger


Object Number: 258301  Size: CH

Connector Part Information

  • OEM: 12059254
  • Service: 12126020
  • Description: 2-Way M Metri-Pack 150 Series (L-GN)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Heater Element Seat Back - Passenger

Pin

Wire Color

Circuit No.

Function

A

BK

--

Ground

B

YE

--

Heated Seat Back Element Supply Voltage

Lumbar Adjuster/Heater Switch - Driver


Object Number: 62434  Size: CH

Connector Part Information

  • OEM: 12045688
  • Service: 12101827
  • Description: 8-Way M Metri-Pack 150 Series (BK)

Terminal Part Information

  • Pins: A, B, C, E, F, G, H
  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Lumbar Adjuster/Heater Switch - Driver

Pin

Wire Color

Circuit No.

Function

A

BK

2050

Ground

B

PK

1501

Driver Heated Seat High/Low Signal

C

BN

141

Ignition 3 Voltage

D

--

--

Not Used

E

BK

2050

Ground

F

D-BU

611

Driver Seat Lumbar Motor Forward Control

G

PK

610

Driver Seat Lumbar Motor Rearward Control

H

OG

1040

Battery Positive Voltage

Lumbar Adjuster/Heater Switch - Passenger


Object Number: 62434  Size: CH

Connector Part Information

  • OEM: 12045688
  • Service: 12101827
  • Description: 8-Way M Metri-Pack 150 Series (BK)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Lumbar Adjuster/Heater Switch - Passenger

Pin

Wire Color

Circuit No.

Function

A

BK

2050

Ground

B

PK

1501

Passenger Heated Seat High/Low Signal

C

BN

141

Ignition 3 Voltage

D

RD

1362

Seat Belt Switch - Right

E

BK

2050

Ground

F

D-BU

611

Driver Seat Lumbar Motor Forward Control

G

PK

610

Passenger Seat Lumbar Motor Rearward Control

H

OG

2240

Battery Positive Voltage