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HOMESERVICE MANUALSCHEVROLET2001SUBURBAN C1500REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 11 (ENGINE CONTROLS - 6.5L (L65) (INTRODUCTION))COMPONENT LOCATORENGINE CONTROLS CONNECTOR END VIEWS
2001 Chevrolet Suburban C1500

Engine Controls Connector End Views

2001 Chevrolet Suburban C1500SECTION Engine Controls Connector End Views
WARNING: This page is about a different car, the 2001 GMC C3500 HD and 2001 Chevrolet C3500 HD. However, it is still accessible from the selected car via links, so may be relevant.
Accelerator Pedal Position (APP) Sensor

GM570216Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12065425
  • 10 Way F Metri-pack 150 Series (BLK)
Pin Wire Color Circuit No. Function
A BRN 1271 Low Reference
B PPL 1272 Low Reference
C LT BLU 1162 APP Sensor 2 Signal
D TAN 1274 5 Volt Reference
E YEL/BLK 1275 5 Volt Reference
F DK BLU 1161 APP Sensor 1 Signal
G WHT/BLK 1164 5 Volt Reference
H - - Not Used
J GRY 1273 Low Reference
K DK GRN 1163 APP Sensor 3 Signal
Automatic Transmission Input Shaft Speed (ISS) Sensor

GM237066Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12162194
  • 2 Way F Metri-pack 150.2 Series P2S (BLK)
Pin Wire Color Circuit No. Function
A RED/BLK 1230 AT ISS High Signal
B DK BLU/WHT 1231 AT ISS Low Signal
Crankshaft Position (CKP) Sensor

GM684807Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12110293
  • 3 Way F Metri-pack 150 Series (BLK)
Pin Wire Color Circuit No. Function
A YEL 573 CKP Sensor Signal
B PPL 452 Low Reference
C GRY 416 5 Volt Reference
Engine Coolant Temperature (ECT) Sensor

GM237066Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12162194
  • 2 Way F Metri-pack 150.2 Series P2S (BLK)
Pin Wire Color Circuit No. Function
A YEL 410 ECT Sensor Signal
B BLK 452 Low Reference
Engine Oil Pressure (EOP) Sensor and Fuel Pump Switch

GM39663Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12065401
  • 4 Way F Metri-pack 150 Series (MD GRY)
Pin Wire Color Circuit No. Function
A TAN 31 Oil Pressure Indicator Control
B - - Not Used
C GRY 120 Fuel Pump Supply Voltage
D ORN 440 Battery Positive Voltage
Fuel Level Sensor (Single Tank)

GM258174Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12010973
  • 2 Way M Weather-pack SHD Type (BLK)
Pin Wire Color Circuit No. Function
A BLK/WHT 451 Ground
B PPL 30 Fuel Level Sensor Signal
Fuel Pump

GM258174Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12010973
  • 2 Way M Weather-pack SHD Type (BLK)
Pin Wire Color Circuit No. Function
A BLK 150 Ground
B GRY 120 Fuel Pump Supply Voltage
Fuel Level Sensor - Primary (Dual Tanks)

GM258174Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12010973
  • 2 Way M Weather-pack SHD Type (BLK)
Pin Wire Color Circuit No. Function
A BLK/WHT 451 Ground
B DK BLU/WHT 970 Fuel Level Signal - Primary
Fuel Level Sensor - Secondary (Dual Tanks)

GM38608Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12162188
  • 4 Way F Metri-pack 150.2 Series P2S
Pin Wire Color Circuit No. Function
A BLK/WHT 451 Ground
B-C - - Nor Used
D LT BLU 975 Fuel Level Signal - Secondary
Fuel Pump - Secondary

GM258174Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12010973
  • 2 Way M Weather-pack SHD Type (BLK)
Pin Wire Color Circuit No. Function
A BLK 150 Ground
B LT GRN 1058 Fuel Balance Pump Supply Voltage
Fuel Balance Module (Dual Tanks)

GM535933Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12059573
  • 6 Way F Metri-pack 280 Series (BLK)
Pin Wire Color Circuit No. Function
A PNK 639 Ignition 1 Voltage
B LT BLU 975 Fuel Level Signal - Secondary
C DK BLU/WHT 970 Fuel Level Signal - Primary
D LT GRN 497 Fuel Pump Relay Control - Secondary
E BLK/WHT 451 Ground
F PPL 30 Fuel Level Signal
Fuel Balance Pump Relay (Dual Tanks)

GM535912Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12129716
  • 4 Way F Metri-pack 280 Series (GRY)
Pin Wire Color Circuit No. Function
30 PNK 639 Ignition 1 Voltage
85 GRY 120 Fuel Pump Supply Voltage
86 LT GRN 497 Fuel Pump Relay Control - Secondary
87 LT GRN 1058 Fuel Balance Pump Supply Voltage
Fuel Heater

GM524568Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12020397
  • 3 Way F Metri-pack 280 Series (BLK)
Pin Wire Color Circuit No. Function
A BLK 550 Ground
B - - Not Used
C PNK 539 Ignition 1 Voltage
Fuel Solenoid Driver

GM697046Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12186568
  • 4 Way F Metri-pack 150 Series (BLK)
Pin Wire Color Circuit No. Function
A LT GRN 260 Fuel Injection Control
B BLK 491 Low Reference
C PNK 439 Ignition 1 Voltage
D RED 313 Injection Pump Timing Signal
Fuel Temperature Sensor

GM697039Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12052848
  • 6 Way F Metri-pack 150 Series (BLK)
Pin Wire Color Circuit No. Function
A GRY 474 5 Volt Reference
B BRN/WHT 633 CMP Sensor Signal
C ORN 1799 High Resolution Signal
D PNK/BLK 632 Low Reference
E YEL 1578 Fuel Temperature Signal
F PNK/BLK 632 Low Reference
Glow Plug Relay

GM62433Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12045636
  • 4 Way F Metri-pack 280 Series (MD GRY)
Pin Wire Color Circuit No. Function
A PNK 539 Ignition 1 Voltage
B YEL 505 Glow Plug Relay Control
C BLK 150 Ground
D - - Not Used
Injection Timing Stepper Motor

GM38608Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12162189
  • 4 Way F Metri-pack 150.2 Series P2S (BLK)
Pin Wire Color Circuit No. Function
A TAN/BLK 1030 ITS Coil 1 Low
B ORN/BLK 1032 ITS Coil 2 Low
C YEL/BLK 1033 ITS Coil 2 High
D RED/BLK 1031 ITS Coil 1 High
Intake Air Temperature (IAT) Sensor

GM646180Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12162198
  • 2 Way F Metri-pack 150.2 Series P2S (GRY)
Pin Wire Color Circuit No. Function
A TAN 472 IAT Sensor Signal
B BLK 452 Low Reference
Turbocharger Boost Sensor

GM280779Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12103771
  • 3 Way M Weather-pack TWR Type (WHT)
Pin Wire Color Circuit No. Function
A BLK 452 Low Reference
B LT GRN 432 MAP Sensor Signal
C GRY 416 5 Volt Reference
Turbocharger Wastegate Solenoid

GM635009Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12052641
  • 2 Way F Metri-pack 150 Series (BLK)
Pin Wire Color Circuit No. Function
A PNK 539 Ignition 1 Voltage
B YEL 258 Wastegate Solenoid Control
Vehicle Speed Sensor (VSS) - M/T

GM38554Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12124819
  • 2 Way F Metri-pack 280 Series (BLK)
Pin Wire Color Circuit No. Function
A PPL/WHT 821 VSS High Signal
B LT GRN/BLK 822 VSS Low Signal
Vehicle Speed Sensor (VSS) - A/T

GM237066Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12162194
  • 2 Way F Metri-pack 150.2 Series (BLK)
Pin Wire Color Circuit No. Function
A PPL/WHT 821 VSS High Signal
B LT GRN/BLK 822 VSS Low Signal
Vehicle Speed Sensor (VSS) Buffer

GM62467Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12066130
  • 9 Way F Micro-pack 100 Series (NAT)
Pin Wire Color Circuit No. Function
7 LT GRN/BLK 822 VSS Low Signal
8 BLK/WHT 451 Ground
9 PNK 39 Ignition 1 Voltage
10 YEL/BLK 1827 Vehicle Speed Signal
11 - - Not Used
12 PPL/WHT 821 VSS High Signal
13 BRN 437 Vehicle Speed Signal
14 DK GRN/WHT 817 Vehicle Speed Signal
15 DK GRN 389 Vehicle Speed Signal
Water In Fuel Sensor

GM309547Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12015793
  • 3 Way F Weather-pack TWR Type (BLK)
Pin Wire Color Circuit No. Function
A PNK 539 Ignition 1 Voltage
B YEL/BLK 508 Water In Fuel Indicator Control
C BLK 150 Ground
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.