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Power Steering System Connectors

WARNING: This page is about a different car, the 2005 Pontiac Pursuit and 2005 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
Electronic Power Steering (EPS) Control Module C1

GM823283Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • OEM: 10721337
  • Service: See Catalog
  • 2-Way F 375 58 (BK)
Pin Wire Color Circuit No. Function
1 RD/BK 642 Battery Positive Voltage
2 BK 1150 Ground
Electronic Power Steering (EPS) Control Module C2

GM1413003Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • OEM: 15438391
  • Service: See Catalog
  • 6-Way F 040 (GY)
Pin Wire Color Circuit No. Function
1 TN/BK 2500 High Speed GMLAN Serial Data (+) (1)
2 TN 2501 High Speed GMLAN Serial Data (-) (1)
3 - - Not Used
4 BN/WH 2500 High Speed GMLAN Serial Data (+) (1)
5 BN 2501 High Speed GMLAN Serial Data (-) (1)
6 PK 1539 Run/Crank Ignition 1 Voltage
Electronic Power Steering Control Module (PSCM) C3

GM823278Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 7123-4123-30
  • 2-Way F (BU)
Pin Wire Color Circuit No. Function
+ RD 5 Motor Control
- BK 5 Motor Control
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