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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1080 (Wiring Systems And Power Management - Diagnostic Starting Point And Splice Pack And In-Line Harness Connector End Views) >> Inline Harness Connector End Views >> X175 Engine Chassis Harness toTransmission Internal Harness (MW7)

X175 Engine Chassis Harness toTransmission Internal Harness (MW7)

WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
GM655729Courtesy of GENERAL MOTORS CORP.
GM808696Courtesy of GENERAL MOTORS CORP.
Connector Part Information 
  • OEM: 12186609
  • Service: 12186609
  • Description: 20-Way F Micro-Pack 100W (GY)
 Connector Part Information 
  • OEM: 12160782
  • Service: 12160782
  • Description: 20-Way M Micro-Pack 100W (GY)
Terminal Part Information 
  • Terminal/Tray: 12084913/5
  • Core/Insulation Crimp: W/W
  • Release Tool/Test Probe: 12122523/J-35616-6 (BN)
 Terminal Part Information 
  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit
X175 Engine Chassis Harness toTransmission Internal Harness (MW7)

Pin Wire Color Circuit No. Function Pin Wire Color Circuit No. Function
A 0.5 L-GN 1222 Shift Solenoid 1 Valve Control A 0.5 D-GN 1527 Shift Solenoid 1 Valve Control
B 0.5 YE/BK 1223 Shift Solenoid 2 Valve Control B 0.5 L-GN 1528 Shift Solenoid 2 Valve Control
C 0.5 OG/WH 2527 Shift Solenoid 3 Valve Control C 0.5 PU 1529 Shift Solenoid 3 Valve Control
D 0.35 PK 1224 Transmission Fluid Pressure Switch Signal A D 0.5 OG 1224 Transmission Fluid Pressure Switch Signal A
E 0.5 OG 1226 Transmission Fluid Pressure Switch Signal C E 0.5 GY 1226 Transmission Fluid Pressure Switch Signal C
F 0.35 D-BU 1225 Transmission Fluid Pressure Switch Signal B F 0.5 WH 1225 Transmission Fluid Pressure Switch Signal B
G 0.35 YE/BK 1227 TFT Sensor Signal G 0.5 TN 1227 TFT Sensor Signal
H 0.35 TN 2762 Low Reference H 0.5 BK 407 Low Reference
J 0.5 BN 418 TCC PWM Solenoid Valve Control J 0.5 PK 1531 TCC PWM Solenoid Valve Control
K 0.35 L-GN/BK 2529 Fluid Pressure Switch Signal K 0.5 BN 1530 Fluid Pressure Switch Signal
L 0.5 OG/BK 1228 PC Solenoid Valve High Control L 0.5 RD 150 PC Solenoid Valve High Control
M 0.5 L-BU/WH 1229 PC Solenoid Valve Low Control M 0.5 D-BU 1525 PC Solenoid Valve Low Control
N 0.5 BN 323 Actucator Supply Voltage N 0.5 RD/BK 250 Actucator Supply Voltage
P 0.5 BN/WH 2469 PC Solenoid Valve Low Control P 0.5 L-BU 1526 PC Solenoid Valve Low Control
R 0.5 OG/BK 1786 Ignition Lock Cylinder Control Actuator Signal R 0.5 PU/BK 1995 Ignition Lock Cylinder Control Actuator Signal
S 0.5 D-BU 1530 Transmission Mainline Pressure Solenoid Control S 0.5 YE 1532 Transmission Mainline Pressure Solenoid Control
T 0.35 GY 773 Transmission Range Switch Signal C T 0.5 BK/WH 773 Transmission Range Switch Signal C
U 0.35 YE 772 Transmission Range Switch signal B U 0.25 TN/WH 772 Transmission Range Switch signal B
V 0.35 TN/WH 771 Transmission Range Switch signal A V 0.5 YE/BK 771 Transmission Range Switch signal A
W 0.35 WH 776 Transmission Range Switch Signal P W 0.5 PK/BK 776 Transmission Range Switch Signal P
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