| Table 1: | Engine Control Module (ECM) - C1 | 
| Table 2: | Engine Control Module (ECM) - C2 | 
 
 | |||||||
|---|---|---|---|---|---|---|---|
Connector Part Information  | 
 
  | ||||||
Pin  | Wire Color  | Circuit No.  | Function  | ||||
1  | BLK/WHT  | 451  | Ground  | ||||
2  | LT GRN  | 1867  | 12 Volt Reference  | ||||
3  | BLK  | 1744  | Fuel Injector 1 Control  | ||||
4  | LT BLU /BLK  | 844  | Fuel Injector 4 Control  | ||||
5  | TAN/WHT  | 332  | Oil Pressure Sensor Signal  | ||||
6  | BRN  | 1456  | EGR Vacuum Sensor Signal - w/California Emissions Only  | ||||
7  | YEL/BLK  | 975  | 5 Volt Reference  | ||||
8  | GRY  | 2705  | 5 Volt Reference  | ||||
9  | DK GRN  | 2362  | SAE J1939 Serial Data Bus -  | ||||
10  | YEL  | 2361  | SAE J1939 Serial Data Bus+  | ||||
11  | --  | --  | Not Used  | ||||
12  | LT BLU/WHT  | 1869  | CKP Sensor Signal  | ||||
13 - 16  | --  | --  | Not Used  | ||||
17  | YEL/BLK  | 508  | Water In Fuel Indicator Control  | ||||
18  | DK BLU  | 84  | Cruise Control Set/Coast Switch Signal  | ||||
19  | PNK  | 439  | Ignition 1 Voltage  | ||||
20  | ORN  | 440  | Battery Positive Voltage  | ||||
21  | YEL/BLK  | 1868  | Low Reference  | ||||
22  | GRY/BLK  | 87  | Cruise Control Resume/Accel Switch Signal  | ||||
23-24  | --  | --  | Not Used  | ||||
25  | ORN/BLK  | 469  | Low Reference  | ||||
26 -28  | --  | --  | Not Used  | ||||
29  | TAN  | 986  | Intake Heater Diag 1  | ||||
30  | LT GRN  | 1478  | Coolant Level Switch Signal  | ||||
31  | --  | --  | Not Used  | ||||
32  | BRN  | 2524  | Generator 2 Turn On Signal  | ||||
33  | PPL  | 806  | Crank Voltage  | ||||
34  | ORN/BLK  | 1786  | Park/Neutral Signal  | ||||
35  | GRY  | 48  | CPP Switch Signal  | ||||
36  | LT GRN/BLK  | 1745  | Fuel Injector 2 Control  | ||||
37  | BLU/WHT  | 845  | Fuel Injector 5 Control  | ||||
38 -39  | --  | --  | Not Used  | ||||
40  | BLK/WHT  | 451  | Ground  | ||||
41  | BRN  | 971  | Low Reference  | ||||
42  | --  | --  | Not Used  | ||||
43  | DK BLU/WHT  | 878  | Fuel Injector 8 Control  | ||||
44  | PNK/BLK  | 1746  | Fuel Injector 3 Control  | ||||
45  | TAN  | 1274  | 5 Volt Reference  | ||||
46  | WHT/BLK  | 2932  | 5 Volt Reference  | ||||
47  | WHT/BLK  | 1164  | 5 Volt Reference  | ||||
48  | TAN  | 2917  | 5 Volt Reference  | ||||
49 -51  | --  | --  | Not Used  | ||||
52  | LT BLU  | 506  | Glow Plug Signal  | ||||
53  | --  | --  | Not Used  | ||||
54  | PPL  | 1272  | Low Reference  | ||||
55  | LT BLU  | 1162  | APP Sensor 2 Signal  | ||||
56  | --  | --  | Not Used  | ||||
57  | ORN  | 440  | Battery Positive Voltage  | ||||
58  | DK GRN  | 1049  | Class 2 Serial Data  | ||||
59  | YEL  | 710  | Class 2 Serial Data  | ||||
60  | --  | --  | Not Used  | ||||
61  | PNK/BLK  | 632  | Low Reference  | ||||
62  | LT GRN  | 1324  | Backup Lamp Supply Voltage  | ||||
63  | --  | --  | Not Used  | ||||
64  | BLK  | 552  | Low Reference  | ||||
65  | GRY  | 1273  | Low Reference  | ||||
66 -69  | --  | --  | Not Used  | ||||
70  | BRN  | 1174  | Oil Level Switch Signal  | ||||
71  | LT GRN  | 488  | PTO Enable  | ||||
72  | --  | --  | Not Used  | ||||
73  | BRN/WHT  | 633  | CMP Sensor Signal  | ||||
74  | YEL  | 410  | ECT Sensor Signal  | ||||
75  | PNK  | 1020  | Off/Run/Crank Voltage  | ||||
76  | YEL/BLK  | 846  | Fuel Injector 6 Control  | ||||
77  | RED/BLK  | 877  | Fuel Injector 7 Control  | ||||
78  | PPL  | 985  | IA Heater Relay Control  | ||||
79  | GRY/BLK  | 2219  | FICM Relay Control  | ||||
80  | GRY  | 720  | Low Reference  | ||||
 
 | |||||||
|---|---|---|---|---|---|---|---|
Connector Part Information  | 
 
  | ||||||
Pin  | Wire Color  | Circuit No.  | Function  | ||||
1  | BLK/WHT  | 451  | Ground  | ||||
2  | WHT  | 257  | EGR Valve Vacuum Solenoid Control - w/California Emissions Only  | ||||
3-5  | --  | --  | Not Used  | ||||
6  | YEL  | 505  | Glow Plug Relay Control  | ||||
7 -8  | --  | --  | Not Used  | ||||
9  | DK GRN /WHT  | 465  | Fuel Pump Relay Control  | ||||
10  | WHT  | 121  | Engine Speed Signal  | ||||
11  | DK BLU  | 604  | A/C High Pressure Recirculation Switch Signal  | ||||
12  | DK GRN  | 1163  | APP Sensor 3 Signal  | ||||
13  | YEL  | 2522  | PTO Feedback Status  | ||||
14  | LT GRN  | 432  | Boost Sensor Signal  | ||||
15  | BRN  | 25  | Charge Indicator Control  | ||||
16  | GRY  | 397  | Cruise Control On Switch Signal  | ||||
17  | DK GRN/WHT  | 2523  | A/C Request Signal  | ||||
18  | LT BLU  | 1320  | CHMSL Supply Voltage  | ||||
19  | BLK/WHT  | 1695  | Axle Switch Signal  | ||||
20  | LT GRN/BLK  | 822  | VSS Low Signal (Except Allison  | ||||
21  | PPL/WHT  | 821  | VSS High Signal (except Allison)  | ||||
YEL  | 400  | Signal High - Front - Allison Transmission  | |||||
22  | --  | --  | Not Used  | ||||
23  | ORN/BLK  | 2919  | Low Reference  | ||||
24  | DK BLU  | 1161  | APP Sensor 1 Signal  | ||||
25  | YEL  | 1578  | Fuel Temperature Signal  | ||||
26 -28  | --  | --  | Not Used  | ||||
29  | GRY  | 597  | 5 Volt Reference  | ||||
30 -32  | --  | --  | Not Used  | ||||
33  | DK GRN  | 1614  | Recirculation Door Control  | ||||
34  | DK GRN/WHT  | 459  | A/C Compressor Clutch Relay Control  | ||||
35  | PNK/WHT  | 1101  | Damping Lift/Dive Signal  | ||||
36  | DK BLU  | 507  | Wait to Start Indicator Control  | ||||
37  | PPL  | 2562  | PTO Engage Signal  | ||||
38  | --  | --  | Not Used  | ||||
39  | RED  | 631  | 12 Volt Reference  | ||||
40  | BLK/WHT  | 451  | Ground  | ||||
41  | GRY/BLK  | 2931  | Low Reference  | ||||
42  | PPL/WHT  | 2530  | Fuel Pressure Regulator Solenoid Supply Voltage  | ||||
43  | --  | --  | Not Used  | ||||
44  | PNK  | 1039  | Ignition 1 Voltage  | ||||
45  | --  | --  | Not Used  | ||||
46  | BRN/WHT  | 419  | MIL Control  | ||||
47  | DK GRN/WHT  | 428  | EGR Throttle Valve Vacuum Solenoid Control - w/California Emissions Only  | ||||
48  | WHT  | 1310  | EGR Vacuum Vent Solenoid Control - w/California Emissions Only  | ||||
49  | YEL/BLK  | 1827  | Vehicle Speed Signal  | ||||
50  | DK GRN/WHT  | 817  | Vehicle Speed Signal  | ||||
51  | TAN  | 472  | IAT Sensor Signal  | ||||
52  | GRY  | 23  | Generator Field Duty Cycle Signal  | ||||
53  | DK BLU  | 2687  | TCM MIL Request  | ||||
54  | PPL/WHT  | 1589  | Fuel Level Sensor Signal - Primary  | ||||
55  | DK GRN  | 603  | A/C Low Pressure Switch Signal  | ||||
56  | LT BLU  | 494  | PTO Engine Disable  | ||||
57  | BLK  | 470  | Low Reference  | ||||
58  | YEL  | 2918  | FRP Sensor Signal  | ||||
59  | PPL  | 420  | TCC Brake Switch/Cruise Control Release Signal  | ||||
60  | BRN  | 718  | Low Reference  | ||||
61  | --  | --  | Not Used  | ||||
62  | TAN  | 986  | Intake Heater Diag 2  | ||||
63  | GRY/BLK  | 1694  | 4WD Low Signal  | ||||
64  | GRY/BLK  | 433  | Baro Sensor Signal  | ||||
65  | YEL  | 492  | MAF Sensor Signal  | ||||
66 -72  | --  | --  | Not Used  | ||||
73  | DK BLU  | 1936  | Fuel Level Sensor Signal - Secondary  | ||||
74-75  | --  | --  | Not Used  | ||||
76  | LT BLU  | 2832  | Engine Speed Signal  | ||||
77  | YEL  | 2834  | Fuel Pressure Regulator Solenoid Control  | ||||
78  | ORN/BLK  | 1057  | Low Reference  | ||||
79 -80  | --  | --  | Not Used  | ||||