| Connector 1: | Brake Fluid Level Switch | 
| Connector 2: | Brake Pressure Differential Switch | 
| Connector 3: | Hydroboost Pressure Switch (VD1) | 
| Connector 4: | Park Brake Switch | 
Connector Part Information
  | 
Terminal Part Information
  | 
Pin  | Wire Color  | Circuit No.  | Function  | 
|---|---|---|---|
A  | BK  | 550  | Ground  | 
B  | PU  | 333  | Brake Fluid Level Sensor Signal  | 
Connector Part Information
  | 
Terminal Part Information
  | 
Pin  | Wire Color  | Circuit No.  | Function  | 
|---|---|---|---|
A  | PU  | 333  | Brake Fluid Level Sensor Signal  | 
B  | BK  | 550  | Ground  | 
Connector Part Information
  | 
Terminal Part Information
  | 
Pin  | Wire Color  | Circuit No.  | Function  | 
|---|---|---|---|
A  | L-BU/BK  | 1928  | Brake Booster Fluid Flow Switch Signal  | 
B  | PU  | 333  | Brake Fluid Level Sensor Signal  | 
Connector Part Information
  | 
Terminal Part Information
  | 
Pin  | Wire Color  | Circuit No.  | Function  | 
|---|---|---|---|
A  | L-BU  | 1134  | Park Brake Switch Signal  |