GM Service Manual Online
For 1990-2009 cars only
Connector 1: HVAC Control Assembly - C3 (C49/DE5/DE7)
Connector 2: Rear Window Defogger Grid - Left (C49 w/A18)
Connector 3: Rear Window Defogger Grid - Right (C49 w/A18)
Connector 4: Window Motor - Driver (A31)
Connector 5: Window Motor - Passenger (A31)
Connector 6: Window Switch - Driver (A31)
Connector 7: Window Switch - Front Passenger (A31)

HVAC Control Assembly - C3 (C49/DE5/DE7)


Object Number: 62450  Size: CH

Connector Part Information

  • OEM: 12052856
  • Service: 12125636
  • Description: 4-Way F Metri-Pack 280 Series (BK)

Terminal Part Information

  • Pins: A, D
  • Terminal/Tray: 12066214/2
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: 12094430/J-35616-4A (PU)
  • Pins: B, C
  • Terminal/Tray: 12034046/2
  • Core/Insulation Crimp: E/A
  • Release Tool/Test Probe: 12094430/J-35616-4A (PU)

HVAC Control Assembly - C3 (C49/DE5/DE7)

Pin

Wire Color

Circuit No.

Function

A

RD/WH

4440

Battery Positive Voltage

B

BN

341

Ignition 3 Voltage

C

BK

550

Ground

D

WH

193

Rear Defog Relay Control

Rear Window Defogger Grid - Left (C49 w/A18)


Object Number: 788072  Size: CH

Connector Part Information

  • OEM: 12129156
  • Service: 12129156
  • Description: 2-Way M Metri-Pack 280 Series (BK)

Terminal Part Information

  • Terminal/Tray: 12084586/4
  • Core/Insulation Crimp: F/G
  • Release Tool/Test Probe: 12094430/J-35616-5 (PU)

Rear Window Defogger Grid - Left (C49 w/A18)

Pin

Wire Color

Circuit No.

Function

A

PU

293

Rear Defog Element Supply Voltage

B

BK

850

Ground

Rear Window Defogger Grid - Right (C49 w/A18)


Object Number: 788072  Size: CH

Connector Part Information

  • OEM: 12129156
  • Service: 12129156
  • Description: 2-Way M Metri-Pack 280 Series (BK)

Terminal Part Information

  • Terminal/Tray: 12084586/4
  • Core/Insulation Crimp: F/G
  • Release Tool/Test Probe: 12094430/J-35616-5 (PU)

Rear Window Defogger Grid - Right (C49 w/A18)

Pin

Wire Color

Circuit No.

Function

A

PU

293

Rear Defog Element Supply Voltage

B

BK

1050

Ground

Window Motor - Driver (A31)


Object Number: 684837  Size: CH

Connector Part Information

  • OEM: 12129487
  • Service: 88988609
  • Description: 2-Way F Metri-Pack 280 Series, Flexlock Sealed (GY)

Terminal Part Information

  • Terminal/Tray: 12110845/4
  • Core/Insulation Crimp: F/5
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Window Motor - Driver (A31)

Pin

Wire Color

Circuit No.

Function

A

BN

165

Power Window Motor Left Front Down Control

B

D-BU

164

Power Window Motor Left Front Up Control

Window Motor - Passenger (A31)


Object Number: 684837  Size: CH

Connector Part Information

  • OEM: 12129487
  • Service: 88988609
  • Description: 2-Way F Metri-Pack 280 Series, Flexlock Sealed (GY)

Terminal Part Information

  • Terminal/Tray: 12110845/4
  • Core/Insulation Crimp: F/5
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Window Motor - Passenger (A31)

Pin

Wire Color

Circuit No.

Function

A

BN

667

Power Window Motor Right Front Down Control

B

D-BU

666

Power Window Motor Right Front Up Control

Window Switch - Driver (A31)


Object Number: 851473  Size: CH

Connector Part Information

  • OEM: 15418532
  • Service: 15306048
  • Description: 8-Way F GT 280 Series (BK)

Terminal Part Information

  • Pins: A, B, D-H
  • Terminal/Tray: 15304713/19
  • Core/Insulation Crimp: F/D
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)
  • Pins: C
  • Terminal/Tray: 15304711/8
  • Core/Insulation Crimp: E/A
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Window Switch - Driver (A31)

Pin

Wire Color

Circuit No.

Function

A

WH

1185

Power Window Switch Left Rear Up Signal

B

OG

1189

Power Window Switch Right Front Low Reference

C

BN/WH

230

Instrument Panel Lamps Dimming Control

D

BK

450

Ground

E

D-GN

1001

RAP Fuse Supply Voltage

F

D-BU

164

Power Window Motor Left Front Up Control

G

--

--

Not Used

H

BN

165

Power Window Motor Left Front Down Control

Window Switch - Front Passenger (A31)


Object Number: 851473  Size: CH

Connector Part Information

  • OEM: 15418532
  • Service: 15306048
  • Description: 8-Way F GT 280 Series (BK)

Terminal Part Information

  • Pins: A, D, F-H
  • Terminal/Tray: 15304713/19
  • Core/Insulation Crimp: F/D
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)
  • Pins: B, C
  • Terminal/Tray: 15304711/8
  • Core/Insulation Crimp: E/A
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Window Switch - Front Passenger (A31)

Pin

Wire Color

Circuit No.

Function

A

D-GN

1001

RAP Fuse Supply Voltage

B

BN/WH

230

Instrument Panel Lamps Dimming Control

C

BK

450

Ground

D

WH

1185

Power Window Switch Left Rear Up Signal

E

--

--

Not Used

F

D-BU

666

Power Window Motor Right Front Up Control

G

BN

667

Power Window Motor Right Front Down Control

H

OG

1189

Power Window Switch Right Front Low Reference