GM Service Manual Online
For 1990-2009 cars only
Connector 1: Ambient Air Temperature Sensor (DF5)
Connector 2: HVAC Control Assembly - C3 (C49/DE5/DE7)
Connector 3: Inside Rearview Mirror (DF5)
Connector 4: Rear Window Defogger Grid - Left (C49 w/A18)
Connector 5: Rear Window Defogger Grid - Right (C49 w/A18)

Ambient Air Temperature Sensor (DF5)


Object Number: 684793  Size: CH

Connector Part Information

  • OEM: 12052642
  • Service: 12101856
  • Description: 2-Way F Metri-Pack 150 Series, Sealed (L-GN)

Terminal Part Information

  • Terminal/Tray: 12048074/2
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: 12094429/J-35616-2A (GY)

Ambient Air Temperature Sensor (DF5)

Pin

Wire Color

Circuit No.

Function

A

D-GN/WH

636

Ambient Air Temperature Sensor Signal

B

TN/WH

1704

Low Reference

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

Inside Rearview Mirror (DF5)


Object Number: 655810  Size: CH

Connector Part Information

  • OEM: 15324871
  • Service: 15306351
  • Description: 16-Way F (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

Inside Rearview Mirror (DF5)

Pin

Wire Color

Circuit No.

Function

1-5

--

--

Not Used

6

D-GN/WH

636

Ambient Air Temperature Sensor Signal

7

TN/WH

1704

Low Reference

8

BK

550

Ground

9

L-GN

24

Backup Lamp Supply Voltage

10-12

--

--

Not Used

13

PK

1439

Ignition 1 Voltage

14-16

--

--

Not Used

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