LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Buick >> 2003 >> Century Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls Self-Diagnostics - 3.1L Engine >> Connector Identification
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Connector Identification

Fig 1: Identifying Camshaft Position Sensor Harness Connector Terminals (Century)
G00226973Courtesy of GENERAL MOTORS CORP.
Fig 2: Identifying Camshaft Position Sensor Harness Connector Terminals (Grand Prix & Malibu)
G00127573Courtesy of GENERAL MOTORS CORP.
Fig 3: Identifying Crankshaft Position Sensor "A" Harness Connector Terminals
G00127574Courtesy of GENERAL MOTORS CORP.
Fig 4: Identifying Crankshaft Position Sensor "B" Harness Connector Terminals
G00127575Courtesy of GENERAL MOTORS CORP.
Fig 5: Identifying Engine Coolant Temperature Harness Connector Terminals
G00127576Courtesy of GENERAL MOTORS CORP.
Fig 6: Identifying Engine Oil Level Sensor Harness Connector Terminals (Century & Grand Prix)
G00226978Courtesy of GENERAL MOTORS CORP.
Fig 7: Identifying Engine Oil Level Switch Harness Connector Terminals (Malibu)
G00226975Courtesy of GENERAL MOTORS CORP.
Fig 8: Identifying Engine Oil Pressure Switch Harness Connector Terminals (Century & Grand Prix)
G00226977Courtesy of GENERAL MOTORS CORP.
Fig 9: Identifying Engine Oil Pressure Sensor Harness Connector Terminals (Malibu)
G00226976Courtesy of GENERAL MOTORS CORP.
Fig 10: Identifying EGR Valve Harness Connector Terminals (Century)
G00127601Courtesy of GENERAL MOTORS CORP.
Fig 11: Identifying EGR Valve Harness Connector Terminals (Grand Prix)
G00226979Courtesy of GENERAL MOTORS CORP.
Fig 12: Identifying EGR Valve Harness Connector Terminals (Malibu)
G00127579Courtesy of GENERAL MOTORS CORP.
Fig 13: Identifying EVAP Canister Purge Solenoid Harness Connector Terminals (Century & Grand Prix)
G00127599Courtesy of GENERAL MOTORS CORP.
Fig 14: Identifying EVAP Canister Purge Solenoid Harness Connector Terminals (Malibu)
G00226974Courtesy of GENERAL MOTORS CORP.
Fig 15: Identifying EVAP Canister Vent Solenoid Harness Connector Terminals (Century)
G00127600Courtesy of GENERAL MOTORS CORP.
Fig 16: Identifying EVAP Canister Vent Solenoid Harness Connector Terminals (Grand Prix)
G00226997Courtesy of GENERAL MOTORS CORP.
Fig 17: Identifying EVAP Canister Vent Solenoid Harness Connector Terminals (Malibu)
G00127578Courtesy of GENERAL MOTORS CORP.
Fig 18: Identifying Fuel Injectors Harness Connector Terminals
G00127580Courtesy of GENERAL MOTORS CORP.
Fig 19: Identifying Fuel Pump & Sender Assembly Harness Connector Terminals (Century & Grand Prix)
G00127581Courtesy of GENERAL MOTORS CORP.
Fig 20: Identifying Fuel Pump & Sender Assembly Harness Connector Terminals (Malibu)
G00226980Courtesy of GENERAL MOTORS CORP.
Fig 21: Identifying Fuel Tank Pressure Sensor Harness Connector Terminals (Century & Grand Prix)
G00127602Courtesy of GENERAL MOTORS CORP.
Fig 22: Identifying Fuel Tank Pressure Sensor Harness Connector Terminals (Malibu)
G00127582Courtesy of GENERAL MOTORS CORP.
Fig 23: Identifying HO2S 1 Harness Connector Terminals (Century)
G00127603Courtesy of GENERAL MOTORS CORP.
Fig 24: Identifying HO2S 1 Harness Connector Terminals (Grand Prix)
G00226984Courtesy of GENERAL MOTORS CORP.
Fig 25: Identifying HO2S 1 Harness Connector Terminals (Malibu)
G00127583Courtesy of GENERAL MOTORS CORP.
Fig 26: Identifying HO2S 2 Fuel Harness Connector Terminals (Century & Grand Prix)
G00127604Courtesy of GENERAL MOTORS CORP.
Fig 27: Identifying HO2S 2 Harness Connector Terminals (Malibu)
G00127584Courtesy of GENERAL MOTORS CORP.
Fig 28: Identifying Idle Air Control Valve Harness Connector Terminals
G00127585Courtesy of GENERAL MOTORS CORP.
Fig 29: Identifying Ignition Control Module Harness Connector C1 Terminals
G00127586Courtesy of GENERAL MOTORS CORP.
Fig 30: Identifying Ignition Control Module Harness Connector C2 Terminals (Century & Grand Prix)
G00127605Courtesy of GENERAL MOTORS CORP.
Fig 31: Identifying Ignition Control Module Harness Connector C2 Terminals (Malibu)
G00226982Courtesy of GENERAL MOTORS CORP.
Fig 32: Identifying Ignition Control Module Harness Connector C3 Terminals (Century & Grand Prix)
G00127606Courtesy of GENERAL MOTORS CORP.
Fig 33: Identifying Ignition Control Module Harness Connector C3 Terminals (Malibu)
G00226990Courtesy of GENERAL MOTORS CORP.
Fig 34: Identifying Intake Air Temperature Harness Connector Terminals
G00127589Courtesy of GENERAL MOTORS CORP.
Fig 35: Identifying Knock Sensor Harness Connector Terminal
G00127590Courtesy of GENERAL MOTORS CORP.
Fig 36: Identifying MAF Sensor Harness Connector Terminals (Century)
G00127607Courtesy of GENERAL MOTORS CORP.
Fig 37: Identifying MAF Sensor Harness Connector Terminals (Grand Prix)
G00127592Courtesy of GENERAL MOTORS CORP.
Fig 38: Identifying MAF Sensor Harness Connector Terminals (Malibu)
G00226985Courtesy of GENERAL MOTORS CORP.
Fig 39: Identifying MAP Sensor Harness Connector Terminals
G00127591Courtesy of GENERAL MOTORS CORP.
Fig 40: Identifying Park/Neutral Position Switch Harness Connector Terminals (Malibu)
G00227002Courtesy of GENERAL MOTORS CORP.
Fig 41: Identifying PCM Harness Connector C1 Terminals (Century - 1 Of 2)
G00226992Courtesy of GENERAL MOTORS CORP.
Fig 42: Identifying PCM Harness Connector C1 Terminals (Century - 2 Of 2)
G00226986Courtesy of GENERAL MOTORS CORP.
Fig 43: Identifying PCM Harness Connector C1 Terminals (Grand Prix - 1 Of 2)
G00226988Courtesy of GENERAL MOTORS CORP.
Fig 44: Identifying PCM Harness Connector C1 Terminals (Grand Prix - 2 Of 2)
G00226995Courtesy of GENERAL MOTORS CORP.
Fig 45: Identifying PCM Harness Connector C1 Terminals (Malibu - 1 Of 2)
G00226993Courtesy of GENERAL MOTORS CORP.
Fig 46: Identifying PCM Harness Connector C1 Terminals (Malibu - 2 Of 2)
G00226998Courtesy of GENERAL MOTORS CORP.
Fig 47: Identifying PCM Harness Connector C2 Terminals (Century - 1 Of 3)
G00226987Courtesy of GENERAL MOTORS CORP.
Fig 48: Identifying PCM Harness Connector C2 Terminals (Century -- 2 Of 3)
G00226981Courtesy of GENERAL MOTORS CORP.
Fig 49: Identifying PCM Harness Connector C2 Terminals (Century - 3 Of 3)
G00226989Courtesy of GENERAL MOTORS CORP.
Fig 50: Identifying PCM Harness Connector C2 Terminals (Grand Prix - 1 Of 3)
G00226991Courtesy of GENERAL MOTORS CORP.
Fig 51: Identifying PCM Harness Connector C2 Terminals (Grand Prix - 2 Of 3)
G00226983Courtesy of GENERAL MOTORS CORP.
Fig 52: Identifying PCM Harness Connector C2 Terminals (Grand Prix - 3 Of 3)
G00226994Courtesy of GENERAL MOTORS CORP.
Fig 53: Identifying PCM Harness Connector C2 Terminals (Malibu - 1 Of 3)
G00226999Courtesy of GENERAL MOTORS CORP.
Fig 54: Identifying PCM Harness Connector C2 Terminals (Malibu - 2 Of 3)
G00227000Courtesy of GENERAL MOTORS CORP.
Fig 55: Identifying PCM Harness Connector C2 Terminals (Malibu - 3 Of 3)
G00227001Courtesy of GENERAL MOTORS CORP.
Fig 56: Identifying Secondary Air Injection Pump Harness Connector Terminals (Grand Prix Only)
G00127608Courtesy of GENERAL MOTORS CORP.
Fig 57: Identifying Secondary Air Injection Pump Relay Harness Connector Terminals (Grand Prix Only)
G00127609Courtesy of GENERAL MOTORS CORP.
Fig 58: Identifying Throttle Position Sensor Harness Connector Terminals
G00127593Courtesy of GENERAL MOTORS CORP.
Fig 59: Identifying Transmission Range Switch Harness Connector Terminals (Grand Prix)
G00227003Courtesy of GENERAL MOTORS CORP.
Fig 60: Identifying Vehicle Speed Sensor Harness Connector Terminals
G00226996Courtesy of GENERAL MOTORS CORP.