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Home >> Buick >> 2018 >> LaCrosse Base >> Repair and Diagnosis >> Electrical >> Wiring Diagrams >> Component Connector End Views (K9 - K40D) >> Component Connector End Views >> K20 Engine Control Module X1 (LHN)

K20 Engine Control Module X1 (LHN)

GM2889071
Connector Part Information
  • Harness Type: Engine
  • OEM Connector: 13649839
  • Service Connector: 13574946
  • Description: 73-Way F 0.64, 2.8 Series, Sealed (BK with BU Terminal Position Assurance)
Terminal Part Information

Terminal Type ID Terminated Lead Diagnostic Test Probe Terminal Removal Tool Service Terminal Tray Name Core Crimp Insulation Crimp
I 13575812 J-35616-64B (LT BU) J-38125-213 Not Available Not Available Not Available Not Available
II 13576375 J-35616-35 (VT) J-38125-12A 1326030-8 Lear 17 A 4
Pin Size Color Circuit Function Terminal Type ID Option
1 - 6 - - - Not Occupied - -
7 0.5 WH 7494 High Speed GMLAN Serial Data (-) 3 I -
8 0.5 BU/BK 7493 High Speed GMLAN Serial Data (+) 3 I -
9 0.5 BU 2500 High Speed GMLAN Serial Data (+) 1 I -
10 0.5 WH 2501 High Speed GMLAN Serial Data (-) 1 I -
11 0.5 BN/RD 1274 Accelerator Pedal Position 5V Reference 2 I -
12 0.5 WH/RD 1164 Accelerator Pedal Position 5V Reference 1 I -
13 0.5 VT/YE 5985 Accessory Wakeup Serial Data I -
14 0.5 VT/GN 439 Run/Crank Ignition 1 Voltage I -
15 0.5 RD/WH 140 Battery Positive Voltage I -
16 0.5 VT/BU 5292 Powertrain Main Relay Fused Supply 3 I -
17 - 26 - - - Not Occupied - -
27 0.5 BK/VT 1272 Accelerator Pedal Position Low Reference 2 I -
28 0.5 BK/BU 1271 Accelerator Pedal Position Low Reference 1 I -
29 - 31 - - - Not Occupied - -
32 0.5 YE/VT 6030 Brake Vacuum Sensor Signal I -
33 0.5 GN/WH 1162 Accelerator Pedal Position Signal 2 I -
34 0.5 GN/WH 492 Mass Air Flow Sensor Signal I -
35 - 36 - - - Not Occupied - -
37 0.5 BN/RD 2700 A/C Pressure Sensor 5V Reference I -
38 - 43 - - - Not Occupied - -
44 0.5 YE/BK 625 Starter Enable Relay Control I -
45 0.5 YE/WH 1161 Accelerator Pedal Position Signal 1 I -
46 0.5 YE/BK 3000 Coolant Temperature Sensor 2 Signal I -
47 0.5 BU/GY 636 Outside Ambient Air Temperature Sensor Signal I -
48 0.5 WH/BU 6289 Induction Air Temperature Sensor Signal I -
49 0.5 WH/GY 1786 Transmission Park/Neutral Signal 1 I -
50 0.5 WH/BU 6311 Cruise/ETC/TCC Brake Signal I -
51 0.5 VT/BU 5291 Powertrain Main Relay Fused Supply 2 I -
52 0.5 WH/BK 2366 Cooling Fan Control Relay Speed Signal I -
53 - - - Not Occupied - -
54 0.5 WH/GY 459 A/C Compressor Clutch Relay Control I -
55 - 56 - - - Not Occupied - -
57 0.5 GN 380 A/C Refrigerant Pressure Sensor Signal I -
58 - 59 - - - Not Occupied - -
60 0.5 BN/GY 4008 Humidity Sensor Signal I -
61 - 63 - - - Not Occupied - -
64 0.5 GY 5660 Fuel Pump Controller Data Out Signal I -
65 0.5 WH 1310 EVAP Canister Vent Solenoid Control I -
66 0.5 GY 5127 After Boil Heater Relay Control I -
67 0.5 YE 5991 Powertrain Relay Coil Control I -
68 - - - Not Occupied - -
69 0.5 BU 6814 Thermostat Engine Cool Control I -
70 - - - Not Occupied - -
71 0.5 BN/WH 419 Check Engine Indicator Control I LHN
72 - - - Not Occupied - -
73 2 VT/BU 5290 Powertrain Main Relay Fused Supply 1 II -