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Power Steering Control Module (PSCM) - X1 (NS2/NR1)

Fig 1: Power Steering Control Module (PSCM) - X1 (NS2/NR1) Connector End View
GM816171
Power Steering Control Module - X1

Pin Wire Color Circuit No. Function
1 0.5 BK 639 Run/Crank Ignition 1 Voltage
2 0.75 GN 2500 High Speed GMLAN Serial Data (+)
3 0.75 WH 2501 High Speed GMLAN Serial Data (-)
Connector Part Information 
  • OEM: ZFW 3-45
  • Service: See Catalog
  • Description: 3-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