| Connector 1: | Cruise Control Module (CCM) (4.3L w/K34) | 
| Connector 2: | Throttle Actuator Control (TAC) Module - C1 (4.8L/5.3L/6.0L) | 
| Connector 3: | Turn Signal/Multifunction Switch - C4 | 
Connector Part Information
  | 
Terminal Part Information
  | 
Pin  | Wire Color  | Circuit No.  | Function  | 
|---|---|---|---|
A  | GY  | 397  | Cruise Control On Switch Signal  | 
B  | D-BU  | 84  | Cruise Control Set/Coast Switch Signal  | 
C  | GY/BK  | 87  | Cruise Control Resume/Accel Switch Signal  | 
D  | PU  | 420  | TCC Brake Switch/Cruise Control Release Signal  | 
E  | BK  | 350  | Ground  | 
F  | PK  | 439  | Ignition 1 Voltage  | 
G  | WH  | 17  | Stop Lamp Switch Signal  | 
L-BU  | 1320  | CHMSL Supply Voltage/Stop Lamp Supply Voltage  | |
H  | D-GN  | 83  | Cruise Control Inhibit Signal  | 
J  | L-BU/BK  | 396  | Cruise Control Engaged Signal  | 
K  | D-GN/WH  | 817  | Vehicle Speed Signal  | 
Connector Part Information
  | 
Terminal Part Information
  | 
Pin  | Wire Color  | Circuit No.  | Function  | 
|---|---|---|---|
1  | D-GN  | 485  | TP Sensor 1 Signal  | 
2  | GY  | 416  | 5-Volt Reference  | 
3  | BK  | 452  | Low Reference  | 
4  | D-BU  | 84  | Cruise Control Set/Coast Switch Signal  | 
5  | GY/BK  | 87  | Cruise Control Resume/Accel Switch Signal  | 
6  | L-BU  | 1320  | CHMSL Supply Voltage/Stop Lamp Supply Voltage  | 
7  | PK  | 1339  | Ignition 1 Voltage  | 
8  | BN  | 582  | TAC Motor Control - 2  | 
9  | L-BU/BK  | 1688  | 5-Volt Reference  | 
10  | BK/WH  | 1704  | Low Reference  | 
11  | PU  | 486  | TP Sensor 2 Signal  | 
12  | OG/BK  | 1061  | UART Serial Data  | 
13  | D-BU/WH  | 774  | UART Serial Data  | 
14  | GY  | 397  | Cruise Control On Switch Signal  | 
15  | BK  | 1250  | Ground  | 
16  | YE  | 581  | TAC Motor Control - 1  | 
Connector Part Information
  | 
Terminal Part Information
  | 
Pin  | Wire Color  | Circuit No.  | Function  | 
|---|---|---|---|
A  | PK  | 739  | Ignition 1 Voltage  | 
B  | GY  | 397  | Cruise Control On Switch Signal  | 
C  | GY/BK  | 87  | Cruise Control Resume/Accel Switch Signal  | 
D  | D-BU  | 84  | Cruise Control Set/Coast Switch Signal  |