LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 2005 >> CTS V >> Repair and Diagnosis (Single Page) >> Quick Lookups >> Wiring Diagrams >> OEM Connector End Views >> Connector End Views >> Powertrain Control Module (PCM) Connector End View - C1 (5.7L)
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Powertrain Control Module (PCM) Connector End View - C1 (5.7L)

Powertrain Control Module (PCM) Connector End View - C1 (5.7L)

GM655733Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12191489
  • 80-Way F Micro-Pack 100W Sealed (BU)
Pin Wire Color Circuit No. Function
1 BK 750 Ground
2 L-GN 1867 12-Volt Reference
3 PK/BK 1746 Fuel Injector 3 Control
4 L-GN/BK 1745 Fuel Injector 2 Control
5-6 - - Not Used
7 GY 2705 5-Volt Reference A
8-10 - - Not Used
11 L-BU 1876 Knock Sensor 2 Signal
12 D-BU/WH 1869 CKP Sensor Signal
13 OG/BK 463 Requested Torque Signal
14 TN 800 UART Serial Data
15 D-BU/WH 774 UART Serial Data
16-18 - - Not Used
19 PK 239 Ignition 1 Voltage
20 RD/WH 1440 Battery Positive Voltage
21 YE/BK 1868 Low Reference
22 - - Not Used
23 TN 452 Low Reference
24 BK/WH 1451 Ground
25 TN 1671 HO2S Low Signal - Bank 2 Sensor 2
26 TN 1667 HO2S Low Signal - Bank 2 Sensor 1
27 BK/WH 1551 Ground
28 TN/WH 1669 HO2S Low Signal - Bank 1 Sensor 2
29 TN 1664 HO2S Low Signal - Bank 1 Sensor 1
30-34 - - Not Used
35 BN/WH 379 CPP Switch Signal
36 TN 1744 Fuel Injector 1 Control
37 YE/BK 846 Fuel Injector 6 Control
38 - - Not Used
39 YE 447 Starter Relay Coil Control
40 BK 750 Ground
41 - - Not Used
42 D-GN 335 Low Speed Cooling Fan Relay Control
43 OG/BK 877 Fuel Injector 7 Control
44 L-BU/BK 844 Fuel Injector 4 Control
45 GY 2700 5-Volt Reference B
46 GY 596 5-Volt Reference B
47 - - Not Used
48 GY 2704 5-Volt Reference A
49-50 - - Not Used
51 D-BU 496 Knock Sensor 1 Signal
52 - - Not Used
53 OG/BK 1057 Low Reference
54 OG/BK 469 Low Reference
55-56 - - Not Used
57 RD/WH 1440 Battery Positive Voltage
58 PU 1807 Class 2 Serial Data
59 PU 1807 Class 2 Serial Data
60 - - Not Used
61 PK/BK 632 Low Reference
62 GY 847 Extended Travel Brake Switch Signal
63 BK 2755 Low Reference
64 BK/WH 1451 Ground
65 PU 1670 HO2S High Signal - Bank 2 Sensor 2
66 PU 1666 HO2S High Signal - Bank 2 Sensor 1
67 BK/WH 1551 Ground
68 PU/WH 1668 HO2S High Signal - Bank 1 Sensor 2
69 PU/WH 1665 HO2S High Signal - Bank 1 Sensor 1
70 BN 1174 Oil Level Switch Signal
71-72 - - Not Used
73 BN/WH 633 CMP Sensor Signal
74 YE 410 ECT Sensor Signal
75 - - Not Used
76 TN/WH 845 Fuel Injector 5 Control
77 D-BU/WH 878 Fuel Injector 8 Control
78 - - Not Used
79 GY 587 Skip/Shift Solenoid Control
80 TN 2761 Low Reference