For 1990-2009 cars

Table 1: | Electronic Brake Control Module (EBCM) - (JL4)
Table 2: | Electronic Brake Control Module (EBCM) - (JL9)
Table 3: | Multifunction Center Console Switch (Traction Control/Parking Assist/Tow Haul)
Table 4: | Steering Angle Sensor
Table 5: | Wheel Speed Sensor (WSS) - LF
Table 6: | Wheel Speed Sensor (WSS) - LR
Table 7: | Wheel Speed Sensor (WSS) - RF
Table 8: | Wheel Speed Sensor (WSS) - RR
Table 9: | Yaw Rate and Lateral Acceleration Sensor

#### Electronic Brake Control Module (EBCM) - (JL4)

Connector Part Information |
--- | ---
Pin | Wire Colour | Wire Size | Function
1 | BK | 3.0 | Ground
2 | RD/BK | 3.0 | Battery Positive Voltage
3 | OG | 2.0 | Battery Positive Voltage
4 | BK | 2.0 | Ground
5 | L-BU | 0.5 | Left Front Wheel Speed Sensor Signal
6 | GY | 0.5 | Left Rear Wheel Speed Sensor Supply Voltage
7 | GY | 0.5 | Right Rear Wheel Speed Sensor Supply Voltage
8 | BN | 0.5 | Right Rear Wheel Speed Sensor Signal
9 | GY | 0.5 | Right Front Wheel Speed Sensor Supply Voltage
10 | D-GN | 0.5 | Right Front Wheel Speed Sensor Signal
11 | -- | -- | Not Used
12 | -- | -- | Not Used
13 | -- | -- | Not Used
14 | BN | 0.5 | High Speed GMLAN Serial Data Bus-
15 | BK/BU | 0.5 | Steering Wheel Position Low Refernce
16 | BN/WH | 0.5 | Yaw Rate Sensor Test Control
17 | -- | -- | Not Used
18 | D-GN | 0.5 | Steering Wheel Sensor 5 Volt Reference
19 | -- | -- | Not Used
20 | PU/WH | 0.5 | Combined Vehicle Sensor Signal (LAT/LONG)
21 | -- | -- | Not Used
22 | -- | -- | Not Used
23 | -- | -- | Not Used
24 | -- | -- | Not Used
25 | BN | 0.5 | High Speed GMLAN Serial Data Bus-
26 | GY | 0.5 | Left Front Wheel Speed Sensor Supply Voltage
27 | BN/BK | 0.5 | Left Rear Wheel Speed Sensor Signal
28 | L-BU | 0.5 | Communication Enable Relay Supply Voltage
29 | -- | -- | Not Used
30 | -- | -- | Not Used
31 | -- | -- | Not Used
32 | -- | -- | Not Used
33 | -- | -- | Not Used
34 | -- | -- | Not Used
35 | BN/BK | 0.5 | High Speed GMLAN Serial Data Bus+
36 | -- | -- | Not Used
37 | L-GN/BK | 0.5 | Yaw Rate Sensor Test Control
38 | -- | -- | Not Used
39 | -- | -- | Not Used
40 | -- | -- | Not Used
41 | -- | -- | Not Used
42 | -- | -- | Not Used
43 | -- | -- | Not Used
44 | -- | -- | Not Used
45 | BN/BK | 0.5 | High Speed GMLAN Serial Data Bus+
46 | -- | -- | Not Used

#### Electronic Brake Control Module (EBCM) - (JL9)

Connector Part Information |
--- | ---
Pin | Wire Colour | Wire Size | Function
1 | BK | 3.0 | Ground
2 | RD/BK | 3.0 | Battery Positive Voltage
3 | OG | 2.0 | Battery Positive Voltage
4 | BK | 2.0 | Ground
5 | L-BU | 0.5 | Left Front Wheel Speed Sensor Signal
6 | GY | 0.5 | Left Rear Wheel Speed Sensor Supply Voltage
7 | GY | 0.5 | Right Rear Wheel Speed Sensor Supply Voltage
8 | BN | 0.5 | Right Rear Wheel Speed Sensor Signal
9 | GY/WH | 0.5 | Right Front Wheel Speed Sensor Supply Voltage
10 | D-GN | 0.5 | Right Front Wheel Speed Sensor Signal
11 | -- | -- | Not Used
12 | -- | -- | Not Used
13 | -- | -- | Not Used
14 | BN | 0.5 | High Speed GMLAN Serial Data Bus-
15 | BN | 0.5 | High Speed GMLAN Serial Data Bus-
16 | GY | 0.5 | Left Front Wheel Speed Sensor Supply Voltage
17 | BN/BK | 0.5 | Left Rear Wheel Speed Sensor Signal
18 | L-BU | 0.5 | Communication Enable Relay Supply Voltage
19 | -- | -- | Not Used
20 | -- | -- | Not Used
21 | -- | -- | Not Used
22 | -- | -- | Not Used
23 | -- | -- | Not Used
24 | -- | -- | Not Used
25 | BN/BK | 0.5 | High Speed GMLAN Serial Data Bus+
26 | BN/BK | 0.5 | High Speed GMLAN Serial Data Bus+

#### Multifunction Center Console Switch (Traction Control/Parking Assist/Tow Haul)

Connector Part Information |
--- | ---
Pin | Wire Colour | Wire Size | Function
1 | YE | 0.3 | LED Backlight Dimming Control
2 | BK | 0.3 | Ground
3 | L-BU | 0.3 | Tow/Haul Switch Signal
4 | -- | -- | Not Used
5 | BN/OG | 0.3 | Traction Control Switch Signal
6 | GY | 0.3 | Object Detection Disable Signal
7 | BN | 0.3 | Instrument Panel Lamp Supply Voltage
8 | PU/WH | 0.3 | Object Detection Disable Signal

#### Steering Angle Sensor

Connector Part Information |
--- | ---
Pin | Wire Colour | Wire Size | Function
1 | PU/BN | 0.35 | High Speed GMLAN Serial Data Bus-
2 | D-BU/BN | 0.35 | High Speed GMLAN Serial Data Bus-
3 | GY-BN/BK | 0.35 | High Speed GMLAN Serial Data Bus+
4 | BN-BN/BK | 0.35 | High Speed GMLAN Serial Data Bus+
5 | L-BU | 0.5 | Communication Enable Relay Supply Voltage
6 | OG-BK/Bu | 0.5 | Steering Wheel Position Sensor Low Reference

#### Wheel Speed Sensor (WSS) - LF

Connector Part Information |
--- | ---
Pin | Wire Colour | Wire Size | Function
1 | BN | 0.75 | Wheel Speed Sensor Signal Left Front
2 | BK | 0.75 | Wheel Speed Sensor Supply Voltage Left Front

#### Wheel Speed Sensor (WSS) - LR

Connector Part Information |
--- | ---
Pin | Wire Colour | Wire Size | Function
1 | BN/BK | 0.5 | Wheel Speed Sensor Signal Left Rear
2 | GY | 0.5 | Wheel Speed Sensor Supply Voltage Left Rear

#### Wheel Speed Sensor (WSS) - RF

Connector Part Information |
--- | ---
Pin | Wire Colour | Wire Size | Function
1 | BN | 0.75 | Wheel Speed Sensor Signal Right Front
2 | BK | 0.75 | Wheel Speed Sensor Supply Voltage Right Front

#### Wheel Speed Sensor (WSS) - RR

Connector Part Information |
--- | ---
Pin | Wire Colour | Wire Size | Function
1 | BN | 0.5 | Wheel Speed Sensor Signal Right Rear
2 | GY | 0.5 | Wheel Speed Sensor Supply Voltage Right Rear

#### Yaw Rate and Lateral Acceleration Sensor

Connector Part Information |
--- | ---
Pin | Wire Colour | Wire Size | Function
1 | D-GN | 0.5 | 5-V Reference
2 | L-GN/BK | 0.5 | Yaw Rate Sensor Test Control
3 | L-BU | 0.5 | Communication Enable Relay Supply Voltage
4 | BN/WH | 0.5 | Yaw Rate Signal
5 | PU/WH | 0.5 | Combined Vehicle Inertial Sensor Signal (Lat/Long Rate)
6 | BK/BU | 0.5 | Low Reference