GM Service Manual Online
For 1990-2009 cars only
Connector 1: Starter Generator C1
Connector 2: Starter Generator C2
Connector 3: Starter Generator Control Module (SGCM) C1
Connector 4: Starter Generator Control Module (SGCM) C2

Starter Generator C1


Object Number: 1847968  Size: CH

Connector Part Information

  • OEM: 12162836
  • Service: See Catalog
  • Description: 7-Way F Metri-Pack 150.2 Series Sealed (BK)

Terminal Part Information

  • Terminal/Tray: 12124075/5
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12180559-1/J-35616-14 (GN)

Starter Generator C1

Pin

Wire Color

Circuit No.

Function

A

OG

225

Generator Turn On Signal

B

--

--

Not Used

C

BN/OG

7437

Generator Control

D-E

--

--

Not Used

F

L-BU

5095

Module Temperature Low Reference

G

D-BU

5094

Module Temperature Signal

Starter Generator C2


Object Number: 632344  Size: CH

Connector Part Information

  • OEM: 15326842
  • Service: 15326843
  • Description: 10-Way F GT 150 Series Sealed (BK)

Terminal Part Information

  • Terminal/Tray: 12191819/8
  • Core/Insulation Crimp: E/A
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Starter Generator C2

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

D-GN

7615

Resolver Signal #4

C

D-BU

7616

Resolver Signal #3

D

GY

7620

Resolver Motor Negative

E

GY

1782

Drain Wire

F

YE

7617

Resolver Signal #2

G

BN

7618

Resolver Signal #1

H

WH

7619

Resolver Motor Positive

J-K

--

--

Not Used

Starter Generator Control Module (SGCM) C1


Object Number: 1973170  Size: CH

Connector Part Information

  • OEM Connector Body: 12129225 (NA)
  • Service: 12129225
  • Retainer: 12129183 (BK)
  • Strain Relief: 12110155 (GY)
  • Description: 24-Way F Micro-Pack 100 Series, Sealed

Terminal Part Information

  • Terminal/Tray: 12084912/5
  • Core/Insulation Crimp: W/W
  • Release Tool/Test Probe: 12122523/J-35616-6 (BN)

Starter Generator Control Module (SGCM) C1

Pin

Wire Color

Circuit No.

Function

1

GY/BK

7439

Hybrid Control Module Pump Motor Voltage Reference

2

PK/WH

5537

Transmission Pump Relay Coil Control

3

--

--

Not Used

4

L-GN/BK

6554

Water Pump Supply Voltage

5

GY

7622

Hill Hold Valve Relay Control

6

TN

2022

Eng/Tran Cooling

7-10

--

--

Not Used

11

TN/BK

2500

High Speed GMLAN Serial Data (+)

12

TN/BK

2500

High Speed GMLAN Serial Data (+)

13

--

--

Not Used

14

D-GN/WH

7621

Transmission Pump Driver Error

15

BK

7438

Hybrid Control Module Pump Control

16

PU

5531

Hood Closed Switch Signal

17

PK/BK

109

Hood Ajar Switch Signal

18-22

--

--

Not Used

23

TN

2501

High Speed GMLAN Serial Data (-)

24

TN

2501

High Speed GMLAN Serial Data (-)

Starter Generator Control Module (SGCM) C2


Object Number: 1973174  Size: CH

Connector Part Information

  • OEM Connector Body: 12129225 (NA)
  • Service: 12129225
  • Retainer: 12191019 (CL)
  • Strain Relief: 12110155 (GY)
  • Description: 24-Way F Micro-Pack 100 Series, Sealed

Terminal Part Information

  • Terminal/Tray: 12084912/5
  • Core/Insulation Crimp: W/W
  • Release Tool/Test Probe: 12122523/J-35616-6 (BN)

Starter Generator Control Module (SGCM) C2

Pin

Wire Color

Circuit No.

Function

1

RD/WH

2240

Battery Positive Voltage

2

D-BU

5094

Module Temperature Signal

3

PK

239

Run/Crank Ignition 1 Voltage

4

GY

7620

Resolver Motor Negative

5

WH

7619

Resolver Motor Positive

6

D-BU

7616

Resolver Signal #3

7

D-GN

7615

Resolver Signal #4

8

--

--

Not Used

9

BN/OG

7437

Low Reference

10-11

--

--

Not Used

12

OG

225

Generator Turn On Signal

13

TN

1705

Drain Wire

14

L-BU

5095

Module Temperature Low Reference

15

PU

5087

High Voltage Interlock Loop Signal

16

PU

5087

High Voltage Interlock Loop Signal

17

GY

1782

Drain Wire

18

--

--

Not Used

19

BN

7618

Resolver Signal #1

20

YE

7617

Resolver Signal #2

21

--

--

Not Used

22

BN

1792

Drain Wire

23-24

--

--

Not Used