| Connector 1: | Powertrain Control Module (PCM) C1 | 
| Connector 2: | Powertrain Control Module (PCM) C2 | 
Connector Part Information
  | 
Terminal Part Information
  | 
Pin  | Wire Color  | Circuit No.  | Function  | 
|---|---|---|---|
1  | BK/WH  | 451  | 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  | 
8-10  | --  | --  | Not Used  | 
11  | L-BU  | 1876  | KS 2 Signal  | 
12  | D-BU/WH  | 1869  | CKP Sensor Signal  | 
13  | OG/BK  | 463  | Requested Torque Signal (NW7)  | 
14  | OG/BK  | 1061  | UART Serial Data  | 
15  | D-BU/WH  | 774  | UART Serial Data  | 
16  | --  | --  | Not Used  | 
17  | D-BU  | 1225  | Transmission Fluid Pressure Switch Signal B (A/T)  | 
18  | RD  | 1226  | Transmission Fluid Pressure Switch Signal C (A/T)  | 
19  | PK  | 439  | Ignition 1 Voltage  | 
20  | OG  | 440  | Battery Positive Voltage  | 
21  | YE/BK  | 1868  | Low Reference  | 
22  | --  | --  | Not Used  | 
23  | BK  | 470  | Low Reference  | 
24  | BK/WH  | 451  | Ground  | 
25  | TN  | 1671  | HO2S Low Signal - Bank 2 Sensor 2  | 
26  | TN  | 1667  | HO2S Low Signal - Bank 2 Sensor 1  | 
27  | BK/WH  | 451  | Ground  | 
28  | TN/WH  | 1669  | HO2S Low Signal - Bank 1 Sensor 2  | 
29  | TN  | 1664  | HO2S Low Signal - Bank 1 Sensor 1  | 
30-31  | --  | --  | Not Used  | 
32  | BK/WH  | 771  | Transmission Range Switch Signal A (A/T)  | 
33  | PU  | 420  | TCC Brake Switch/Cruise Control Release Switch Signal  | 
34  | WH  | 776  | Transmission Range Switch Signal P (A/T)  | 
35  | GY  | 48  | CPP Switch Signal (M/T)  | 
36  | BK  | 1744  | Fuel Injector 1 Control  | 
37  | YE/BK  | 846  | Fuel Injector 6 Control  | 
38  | PK/WH  | 1101  | Damping Lift/Dive Signal (Except HVY)  | 
39  | YE/BK  | 625  | Starter Enable Relay Control  | 
40  | BK/WH  | 451  | Ground  | 
41  | --  | --  | Not Used  | 
42  | D-GN  | 335  | Low Speed Cooling Fan Relay Control (10 Series)  | 
43  | RD/BK  | 877  | Fuel Injector 7 Control  | 
44  | L-BU/BK  | 844  | Fuel Injector 4 Control  | 
45  | GY  | 2700  | 5-Volt Reference (A/C)  | 
46  | GY  | 474  | 5-Volt Reference  | 
47  | --  | --  | Not Used  | 
48  | GY  | 597  | 5-Volt Reference  | 
49-50  | --  | --  | Not Used  | 
51  | D-BU  | 496  | KS 1 Signal  | 
52  | --  | --  | Not Used  | 
53  | GY  | 720  | Low Reference (A/T)  | 
54  | OG/BK  | 469  | Low Reference  | 
55-56  | --  | --  | Not Used  | 
57  | OG  | 440  | Battery Positive Voltage  | 
58  | D-GN  | 1049  | Class 2 Serial Data  | 
59-60  | --  | --  | Not Used  | 
61  | PK/BK  | 632  | Low Reference  | 
62  | --  | --  | Not Used  | 
63  | BK  | 2755  | Low Reference  | 
64  | BK/WH  | 451  | Ground  | 
65  | PU  | 1670  | HO2S High Signal - Bank 2 Sensor 2  | 
66  | PU  | 1666  | HO2S High Signal - Bank 2 Sensor 1  | 
67  | BK/WH  | 451  | 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 (A/T)  | 
73  | BN/WH  | 633  | CMP Sensor Signal  | 
74  | YE  | 410  | ECT Sensor Signal  | 
75  | PK  | 1020  | Ignition 0 Voltage  | 
76  | BK/WH  | 845  | Fuel Injector 5 Control  | 
77  | D-BU/WH  | 878  | Fuel Injector 8 Control  | 
78  | --  | --  | Not Used  | 
79  | WH  | 687  | 3-2 Shift Solenoid Valve Control (M30/M32/M33)  | 
80  | BK  | 407  | Low Reference  | 
Connector Part Information
  | 
Terminal Part Information
 
  | 
Pin  | Wire Color  | Circuit No.  | Function  | 
|---|---|---|---|
1  | BK/WH  | 451  | Ground  | 
2  | BN  | 418  | TCC PWM Solenoid Valve Control (A/T)  | 
3  | TN  | 1465  | Fuel Pump Relay Control - Secondary (Except L59/HP2)  | 
4  | --  | --  | Not Used  | 
5  | TN/BK  | 464  | Delivered Torque Signal (NW7)  | 
6  | RD/BK  | 1228  | PC Solenoid Valve High Control (A/T)  | 
7  | --  | --  | Not Used  | 
8  | L-BU/WH  | 1229  | PC Solenoid Valve Low Control (A/T)  | 
9  | WH  | 465  | Fuel Pump Relay Control  | 
10  | WH  | 121  | Engine Speed Signal (Except HP2)  | 
L-BU/BK  | 647  | Medium Resolution Engine Speed Signal (HP2)  | |
11-13  | --  | --  | Not Used  | 
14  | RD/BK  | 380  | A/C Refrigerant Pressure Sensor Signal (A/C)  | 
15  | BN  | 25  | Charge Indicator Control (20/30 Series)  | 
PU  | 5428  | Generator Regulator Control (10 Series except HP2)  | |
16  | GY/BK  | 1694  | 4WD Low Signal (NP8 or NP1)  | 
17  | --  | --  | Not Used  | 
18  | D-GN  | 1433  | Clutch Start Switch Signal (M/T)  | 
19  | BK/WH  | 1695  | Axle Switch Signal (4WD)  | 
20  | L-GN/BK  | 822  | VSS Low Signal  | 
21  | PU/WH  | 821  | VSS High Signal  | 
22  | RD/BK  | 1230  | AT ISS High Signal (MT1)  | 
23  | D-BU/WH  | 1231  | AT ISS Low Signal (MT1)  | 
24  | --  | --  | Not Used  | 
25  | TN  | 472  | IAT Sensor Signal  | 
26  | PU  | 2121  | IC 1 Control  | 
27  | RD  | 2127  | IC 7 Control  | 
28  | L-BU/WH  | 2126  | IC 6 Control  | 
29  | WH  | 2124  | IC 4 Control  | 
30  | --  | --  | Not Used  | 
31  | YE  | 492  | MAF Sensor Signal  | 
32  | L-GN  | 432  | MAP Sensor Signal  | 
33  | D-BU  | 473  | High Speed Cooling Fan Relay Control (10 Series)  | 
34  | WH  | 428  | EVAP Canister Purge Solenoid Control  | 
35  | WH  | 121  | Engine Speed Signal (HP2)  | 
35-38  | --  | --  | Not Used  | 
39  | RD  | 631  | 12-Volt Reference  | 
40  | BK/WH  | 451  | Ground  | 
41  | --  | --  | Not Used  | 
42  | TN/BK  | 422  | TCC Solenoid Valve Control (M30/M32/M33)  | 
43  | D-GN/WH  | 459  | A/C Compressor Clutch Relay Control (A/C)  | 
44  | --  | --  | Not Used  | 
45  | WH  | 1310  | EVAP Canister Vent Solenoid Control  | 
46  | BN/WH  | 419  | MIL Control  | 
47  | YE/BK  | 1223  | 2-3 Shift Solenoid Valve Control (A/T)  | 
48  | L-GN  | 1222  | 1-2 Shift Solenoid Valve Control (A/T)  | 
49  | YE/BK  | 1827  | Vehicle Speed Signal  | 
50  | WH  | 817  | Vehicle Speed Signal  | 
51  | YE/BK  | 1227  | TFT Sensor Signal (A/T)  | 
52  | BN  | 2391  | HO2S Heater Low Control Bank 1 Sensor 2  | 
53  | RD/WH  | 3223  | HO2S Heater Low Control Bank 2 Sensor 2  | 
54  | PU/WH  | 1589  | Fuel Level Sensor Signal - Primary  | 
55-56  | --  | --  | Not Used  | 
57  | BK  | 552  | Low Reference  | 
58  | TN/WH  | 332  | Oil Pressure Sensor Signal  | 
59  | PU  | 806  | Crank Voltage  | 
60  | BN  | 2129  | Low Reference  | 
61  | BN/WH  | 2130  | Low Reference  | 
62  | GY  | 773  | Transmission Range Switch Signal C (A/T)  | 
63  | PK  | 1224  | Transmission Fluid Pressure Switch Signal A (A/T)  | 
64  | D-GN  | 890  | Fuel Tank Pressure Sensor Signal  | 
65  | --  | --  | Not Used  | 
66  | PU/WH  | 2128  | IC 8 Control  | 
67  | RD/WH  | 2122  | IC 2 Control  | 
68  | D-GN  | 2125  | IC 5 Control  | 
69  | L-BU  | 2123  | IC 3 Control  | 
70  | TN/WH  | 2500  | High Speed GMLAN Serial Data (+) (HP2)  | 
71  | TN  | 2501  | High Speed GMLAN Serial Data (-) (HP2)  | 
72  | BK/WH  | 3113  | HO2S Heater Low Control Bank 1 Sensor 1  | 
73  | D-BU  | 1936  | Fuel Level Sensor Signal - Secondary  | 
74  | L-GN  | 3212  | HO2S Heater Low Control Bank 2 Sensor 1  | 
75-79  | --  | --  | Not Used  |