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Home >> Cadillac >> 2018 >> CT6 Plug-In >> Repair and Diagnosis (Single Page) >> Quick Lookups >> Wiring Diagrams >> Component Connector End Views (K20-K29F) >> Component Connector End Views >> K20 Engine Control Module X1 (LTG+HP9)
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K20 Engine Control Module X1 (LTG+HP9)

GM2889071Courtesy of GENERAL MOTORS COMPANY
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 19330179 J-35616-64B (LT BU) J-38125-12A Not Available Not Available Not Available Not Available
II 19333308 J-35616-35 (VT) J-38125-12A Not Available Not Available Not Available Not Available
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 BU/WH 3977 Accessory Wakeup Serial Data 2 I -
14 0.5 VT/GN 439 Run/Crank Ignition 1 Voltage I -
15 0.5 RD/BN 440 Battery Positive Voltage I -
16 0.5 VT/BU 5290 Powertrain Main Relay Fused Supply 1 I -
17 - - - Not Occupied - -
18 0.5 GY/RD 3053 Turbo Intake Pressure Sensor High Reference Bank 1 I -
19 - 24 - - - Not Occupied - -
25 0.5 BK/YE 5382 Brake Position Sensor Low Reference I -
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 - 32 - - - Not Occupied - -
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 0.5 GY 4109 Driver Mode Switch 5V Reference I -
39 - 40 - - - Not Occupied - -
41 0.5 WH/RD 5381 Brake Position Sensor 5V Reference I -
42 - - - Not Occupied - -
43 0.5 BN/RD 3724 Evap Leak Check Module (ELCM) Pressure Sensor 5V Reference I -
44 - - - Not Occupied - -
45 0.5 YE/WH 1161 Accelerator Pedal Position Signal 1 I -
46 - 47 - - - Not Occupied - -
48 0.5 WH/BU 6289 Induction Air Temperature Sensor Signal I -
49 - - - Not Occupied - -
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 BU/VT 2364 Cooling Fan 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 0.5 WH/VT 4108 Driver Mode Switch Signal I -
59 - - - Not Occupied - -
60 0.5 BN/GY 4008 Humidity Sensor Signal I -
61 0.5 WH/GN 5380 Brake Position Sensor Signal I -
62 - - - Not Occupied - -
63 0.5 BU/GN 3725 Evap Leak Check Module (ELCM) Pressure Sensor Signal I -
64 0.5 GY 5660 Fuel Pump Controller Data Out Signal I -
65 0.5 GY 3723 Evap Leak Check Module (ELCM) Changeover Valve Ground I -
66 - - - Not Occupied - -
67 0.5 YE 5991 Powertrain Relay Coil Control I -
68 0.5 GN 3726 Diurnal Control Valve (DCV) Ground I -
69 - 70 - - - Not Occupied - -
71 0.35 BN/WH 419 Check Engine Indicator Control I -
72 - - - Not Occupied - -
73 2 VT/BU 5290 Powertrain Main Relay Fused Supply 1 II -