C105 (Diesel)

2001 Chevrolet Suburban C1500SECTION C105 (Diesel)
C105 (Diesel)

GM666638
GM258921
Connector Part Information
  • 12177081
  • 10-Way F 150 Series Sealed (BLK)
Connector Part Information
  • 12045808
  • 10-Way M 150 Series Sealed (BLK)
Pin Wire Color Circuit No. Function Pin Wire Color Circuit No. Function
A GRY 1273 Low Reference A GRY 1273 Low Reference
B PPL 1272 Low Reference B PPL 1272 Low Reference
C LT BLU 1162 APP Sensor 2 Signal C LT BLU 1162 APP Sensor 2 Signal
D TAN 1274 5 Volt Reference D TAN 1274 5 Volt Reference
E YEL/BLK 975 Low Reference E YEL/BLK 975 Low Reference
F DK BLU 1161 APP Sensor 1 Signal F DK BLU 1161 APP Sensor 1 Signal
G WHT/BLK 1164 5 Volt Reference G WHT/BLK 1164 5 Volt Reference
H YEL 2470 ECM/PCM Class 2 Serial Data H YEL 2470 ECM/PCM Class 2 Serial Data
J BRN 971 Low Reference J BRN 971 Low Reference
K DK GRN 1163 APP Sensor 3 Signal K DK GRN 1163 APP Sensor 3 Signal
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

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

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