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Home >> Buick >> 2019 >> Regal Base >> Repair and Diagnosis (Single Page) >> Quick Lookups >> Wiring Diagrams >> Component Connector End Views (K20 (X1)-K68) >> Component Connector End Views >> K20 Engine Control Module X1 (LTG+MRC)

K20 Engine Control Module X1 (LTG+MRC)

GM5146717Courtesy of GENERAL MOTORS COMPANY
Connector Part Information
  • Harness Type:Engine
  • OEM Connector: 35061507
  • Service Connector: 13574946
  • Description: 73 -Way F 0.64 MQS, 2.8 APEX Series, Sealed (BU)
Terminal Part Information

Terminal Type ID Terminated Lead Diagnostic Test Probe Terminal Removal Tool
I 135877518 J-35616-35 (VT) J-38125-215A
II 19351723 J-35616-64B (LT BU) J-38125-215A
III 19355737 J-35616-64B (LT BU) J-38125-215A
Pin Size Color Circuit Function Terminal Type ID Option
1 - 4 - - - Not Occupied - -
5 0.35 BU / BN 4498 High Speed GMLAN Serial Data [+] 7 III -
6 0.35 WH 4499 High Speed GMLAN Serial Data [-] 7 III -
7 0.5 WH 7494 High Speed GMLAN Serial Data [-] 3 II -
8 0.5 BU / BK 7493 High Speed GMLAN Serial Data [+] 3 II -
9 0.5 BU 2500 High Speed GMLAN Serial Data [+] 1 II -
10 0.5 WH 2501 High Speed GMLAN Serial Data [-] 1 II -
11 0.35 BN / RD 1274 Accelerator Pedal Position 5V Reference 2 III -
12 0.35 WH / RD 1164 Accelerator Pedal Position 5V Reference 1 III -
13 0.5 VT / YE 5985 Accessory Wake-Up Serial Data II -
14 0.5 VT / GN 439 Run/Crank Ignition 1 Voltage II -
15 0.5 RD / WH 140 Battery Positive Voltage II -
16 0.75 VT / BU 5292 Powertrain Main Relay Fused Supply 3 II -
17 0.5 YE 4063 Hood Status A Signal II -
18 0.5 GY / RD 3053 Turbo Intake Pressure Sensor High Reference Bank 1 II -
19 - 24 - - - Not Occupied - -
25 0.35 BK / YE 5382 Brake Position Sensor Low Reference III -
26 - - - Not Occupied - -
27 0.35 BK / VT 1272 Accelerator Pedal Position Low Reference 2 III -
28 0.35 BK / BU 1271 Accelerator Pedal Position Low Reference 1 III -
29 - 31 - - - Not Occupied - -
32 0.35 YE / VT 6030 Brake Vacuum Sensor Signal III -
33 0.35 GN / WH 1162 Accelerator Pedal Position Signal 2 III -
34 0.5 GN / WH 492 Mass Air Flow Sensor Signal II -
35 - 36 - - - Not Occupied - -
37 0.35 BN / RD 2700 A/C Pressure Sensor 5V Reference III -
38 - 40 - - - Not Occupied - -
41 0.35 WH / RD 5381 Brake Position Sensor 5V Reference III -
42 - 43 - - - Not Occupied - -
44 0.35 YE / VT 4325 Starter Pinion Solenoid Relay Control III -
45 0.35 YE / WH 1161 Accelerator Pedal Position Signal 1 III -
46 - - - Not Occupied - -
47 0.5 BU / GY 636 Outside Ambient Air Temperature Sensor Signal II -
48 0.5 WH / BU 6289 Induction Air Temperature Sensor Signal II -
49 0.5 WH / GY 1786 Transmission Park/Neutral Signal 1 II -
50 0.35 WH / BU 6311 Cruise/ETC/TCC Brake Signal III -
51 0.5 VT / BU 5291 Powertrain Main Relay Fused Supply 2 II -
52 0.35 WH 2368 Cooling Fan Control Signal III -
53 - - - Not Occupied - -
54 0.35 WH / GY 459 A/C Compressor Clutch Relay Control III -
55 - 56 - - - Not Occupied - -
57 0.35 GN 380 A/C Refrigerant Pressure Sensor Signal III -
58 - 59 - - - Not Occupied - -
60 0.5 BN / GY 4008 Humidity Sensor Signal II -
61 0.35 WH / GN 5380 Brake Position Sensor Signal III -
62 - 63 - - - Not Occupied - -
64 0.35 GN / GY 465 Fuel Pump Primary Relay Control III -
65 - - - Not Occupied - -
66 0.35 GY 5127 After Boil Heater Relay Control III -
67 0.35 YE 5991 Powertrain Relay Coil Control III -
68 - 69 - - - Not Occupied - -
70 0.35 YE / BK 625 Starter Enable Relay Control III -
71 0.35 BN / WH 419 Check Engine Indicator Control III -
72 - - - Not Occupied - -
73 2.5 VT / BU 5290 Powertrain Main Relay Fused Supply 1 I -
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