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HOMESERVICE MANUALSCHEVROLET2001CHEVY EXPRESS G3500, VAN PASSENGER EXTENDED, 6.5 FREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 539 (WIRING SYSTEMS - CONNECTOR END VIEWS)CONNECTOR END VIEWSINLINE HARNESS CONNECTOR END VIEWSC201
2001 Chevrolet Chevy Express G3500, Van Passenger Extended, 6.5 F

Inline Harness Connector End Views: C201

2001 Chevrolet Chevy Express G3500, Van Passenger Extended, 6.5 FSECTION C201
WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
C201 Connector End View

GM655760Courtesy of GENERAL MOTORS CORP.
GM655855Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 15304837
  • 40-Way F GT 150, 280 Series (BLK)
 Connector Part Information
  • 15336417
  • 40-Way M GT 150, 280 Series (BLK)
Pin Wire Color Circuit No. Function Pin Wire Color Circuit No. Function
A1 ORN 300 Ignition 3 Voltage A1 ORN 300 Ignition 3 Voltage
A2 YEL 5 Crank Voltage A2 YEL 5 Crank Voltage
A3 PNK 3 Ignition 1 Voltage A3 PNK 3 Ignition 1 Voltage
A4 BRN 4 Accessory Voltage A4 BRN 4 Accessory Voltage
A5 ORN 1040 Battery Positive Voltage A5 ORN 1040 Battery Positive Voltage
A6 YEL 243 Accessory Voltage A6 YEL 243 Accessory Voltage
A7 DK GRN 500 Ignition 0 Voltage A7 DK GRN 500 Ignition 0 Voltage
A8 ORN 2340 Battery Positive Voltage A8 ORN 2340 Battery Positive Voltage
B1 BLK 1550 Ground B1 BLK 1550 Ground
B2 LT GRN 80 Key In Ignition Switch Signal B2 LT GRN 80 Key In Ignition Switch Signal
B3 PPL 1807 Class 2 Serial Data (Primary) B3 PPL 1807 Class 2 Serial Data (Primary)
B4 LT BLU 1134 Park Position Switch Signal (Pontiac) B4 LT BLU 1134 Park Position Switch Signal (Pontiac)
DK GRN/WHT 1135 A/T Shift Lock Control Solenoid Supply Voltage (Buick) DK GRN/WHT 1135 A/T Shift Lock Control Solenoid Supply Voltage (Buick)
B5 BLK 1450 Ground B5 BLK 1450 Ground
B6 ORN 2340 Battery Positive Voltage B6 ORN 2340 Battery Positive Voltage
B7 PPL 1500 Ignition 0 Voltage B7 PPL 1500 Ignition 0 Voltage
B8 PNK 39 Ignition 1 Voltage B8 PNK 39 Ignition 1 Voltage
B9 GRY 397 Cruise Control On Switch Signal B9 GRY 397 Cruise Control On Switch Signal
B10 DK BLU 84 Cruise Control Set/Coast Switch Signal B10 DK BLU 84 Cruise Control Set/Coast Switch Signal
B11 GRY/BLK 87 Cruise Control Resume/Accel Switch Signal B11 GRY/BLK 87 Cruise Control Resume/Accel Switch Signal
B12 PPL 1375 Remote Radio Control Supply Voltage B12 PPL 1375 Remote Radio Control Supply Voltage
C1 PNK 539 Ignition 1 Voltage C1 PNK 539 Ignition 1 Voltage
C2 LT BLU/WHT 1414 Turn Signal Switch Left Signal C2 LT BLU/WHT 1414 Turn Signal Switch Left Signal
C3 DK BLU/WHT 1415 Turn Signal Switch Right Signal C3 DK BLU/WHT 1415 Turn Signal Switch Right Signal
C4 TAN 2144 Hazard Switch Signal C4 TAN 2144 Hazard Switch Signal
C5 BLK 28 Horn Relay Control C5 BLK 28 Horn Relay Control
C6-C11 - - Not Used C6-C11 - - Not Used
C12 BLK 910 Headlamp Low/High Beam Relay Control C12 LT BLU 910 Headlamp Low/High Beam Relay Control
D1 BLK/WHT 1969 Headlamp High Beam Relay Control D1 BLK/WHT 1969 Headlamp High Beam Relay Control
D2 PNK/WHT 1970 Headlamp Low Beam Relay Control D2 PNK/WHT 1970 Headlamp Low Beam Relay Control
D3 GRY 112 Windshield Wiper Switch Signal 1 D3 GRY 112 Windshield Wiper Switch Signal 1
D4 DK GRN 113 Windshield Wiper Switch Signal 2 D4 DK GRN 113 Windshield Wiper Switch Signal 2
D5 PPL 92 Windshield Wiper Motor High Speed D5 PPL 92 Windshield Wiper Motor High Speed
D6 RED 228 Washer Pump Control D6 RED 228 Windshield Washer Pump Control
D7 DK BLU 1796 Steering Wheel Controls Signal D7 DK BLU 1796 Steering Wheel Controls Signal
D8 GRY/BLK 1458 Instrument Panel Lamp Supply Voltage 4 D8 GRY/BLK 1458 Instrument Panel Lamp Supply Voltage 4
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.