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Home >> Chevrolet >> 2007 >> Cutaway 6.6 2 >> Repair and Diagnosis (Single Page) >> Quick Lookups >> Wiring Diagrams >> OEM Connector End Views (4 Of 4) >> Powertrain Control Module Connector End Views (4.3L) >> Powertrain Control Module (PCM) Connector End View - C1
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Powertrain Control Module (PCM) Connector End View - C1

Fig 1: Powertrain Control Module (PCM) - C1 Connector End View
GM655733Courtesy of GENERAL MOTORS CORP.
Powertrain Control Module (PCM) - C1 Connector & Terminal Parts Information

Connector Part Information 
  • OEM: 12191110
  • Service: 12167308
  • Description: 80-Way F Micro-Pack 100W Series Sealed (BU)
Terminal Part Information 
  • Terminal/Tray: 12084913/5
  • Core/Insulation Crimp: W/W
  • Release Tool/Test Probe: 12122523/J-35616-6 (BN)
Powertrain Control Module (PCM) - C1 Terminal Identification

Pin Wire Color Circuit No. Function
1 BK/WH 1551 Ground
2 L-GN 1867 12-Volt Reference
3 - - Not Used
4 L-BU/BK 844 Fuel Injector 4 Control
5-6 - - Not Used
7 GY 2705 5-Volt Reference 1
8 GY 2701 5-Volt Reference 1
9 D-BU 496 KS Signal
10-11 - - Not Used
12 YE 573 CKP Sensor Signal
13-16 - - Not Used
17 D-BU 1225 Transmission Fluid Pressure Switch Signal B
18 OG 1226 Transmission Fluid Pressure Switch Signal C
19 PK 439 Ignition 1 Voltage
20 RD/WH 440 Battery Positive Voltage
21 PU 574 Low Reference
22 - - Not Used
23 TN 2759 Low Reference
24 BK/WH 1551 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/WH 1653 HO2S Low Signal - Bank 1 Sensor 1
30-31 - - Not Used
32 TN/WH 771 Transmission Range Switch Signal A
33 PU 420 TCC Brake Switch/Cruise Control Release Signal
34 WH 776 Transmission Range Switch Signal P
35 - - Not Used
36 TN 1744 Fuel Injector 1 Control
37 PK/BK 1746 Fuel Injector 3 Control
38 - - Not Used
39 YE/BK 625 Starter Enable Relay Control
40 BK/WH 1551 Ground
41-42 - - Not Used
43 TN/WH 845 Fuel Injector 5 Control
44-45 - - Not Used
46 GY 2709 5-Volt Reference 2
47 - - Not Used
48 GY 597 5-Volt Reference 1
49 GY 1716 KS Signal
50-52 - - Not Used
53 TN 2762 Low Reference
54 OG/BK 469 Low Reference
55-56 - - Not Used
57 RD/WH 440 Battery Positive Voltage
58 D-GN 1049 Class 2 Serial Data
59 - - Not Used
60 TN 2752 Low Reference
61 PK/BK 632 Low Reference
62 - - Not Used
63 BK 2755 Low Reference
64 BK/WH 1551 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 - - Not Used
72 YE 772 Transmission Range Switch Signal B
73 BN/WH 633 CMP Sensor Signal
74 YE 410 ECT Sensor Signal
75 PK 1020 Ignition 0 Voltage
76 L-GN/BK 1745 Fuel Injector 2 Control
77 YE/BK 846 Fuel Injector 6 Control
78 - - Not Used
79 WH 687 3-2 Shift Solenoid Valve Control
80 TN 2761 Low Reference