GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2007 🢒 G5 🢒 Transmission/Transaxle 🢒 Automatic Transaxle - 4T45-E 🢒 Power Steering Connector End Views
Connector 1: Electronic Power Steering (EPS) Control Module C1
Connector 2: Electronic Power Steering (EPS) Control Module C2
Connector 3: Power Steering Control Module (PSCM) C3

Electronic Power Steering (EPS) Control Module C1
Object Number: 823283 Size: CH

Connector Part Information

  • OEM: 10721337
  • Service: 88953301
  • Description: 2-Way F 375 58 (BK)

Terminal Part Information

  • Terminal/Tray: 7116-3251/10
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: 12094430/J-35616-22 (RD)

Electronic Power Steering (EPS) Control Module C1

Pin

Wire Color

Circuit No.

Function

1

RD/BK

642

Battery Positive Voltage

2

BK

1150

Ground

Electronic Power Steering (EPS) Control Module C2
Object Number: 1413003 Size: CH

Connector Part Information

  • OEM: 15438391
  • Service: 88988409
  • Description: 6-Way F 040 (GY)

Terminal Part Information

  • Terminal/Tray: 173681-2/17
  • Core/Insulation Crimp: E/4
  • Release Tool/Test Probe: 15315247/J-35616-16 (L-GN)

Electronic Power Steering (EPS) Control Module C2

Pin

Wire Color

Circuit No.

Function

1

TN/BK

2500

High Speed GMLAN Serial Data Bus (+)

2

TN

2501

High Speed GMLAN Serial Data Bus (-)

3

--

--

Not Used

4

BN/WH

2500

High Speed GMLAN Serial Data Bus (+)

5

BN

2501

High Speed GMLAN Serial Data Bus (-)

6

PK

1539

Ignition 1 Voltage

Power Steering Control Module (PSCM) C3
Object Number: 823278 Size: CH

Connector Part Information

  • OEM: 7123-4123-30
  • Service: 88953301
  • Description: 2-Way F (BU)

Terminal Part Information

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

Power Steering Control Module (PSCM) C3

Pin

Wire Color

Circuit No.

Function

+

RD

5

Motor Control

-

BK

5

Motor Control