Brake Light Switch Circuit

Fig. 4 Control Unit Electrical Connector Terminal Identification.:

1. With brake pedal depressed check voltage at terminal 4 of control unit electrical connector.
2. If within 10-14 volts, brake light switch circuit is satisfactory.
3. If not within 10-14 volts, check wires, connectors and fuses.
4. If circuit, connectors and fuses are satisfactory, check the brake light switch.