B4

B4 CHECK THE RED BRAKE WARNING INDICATOR RELAY FUNCTION

Brake Warning Indicator Relay Ground Check:

- Measure the voltage between the red brake warning indicator relay pin 2, circuit 112 (BK/Y) and ground.

- Is the voltage 10 volts or greater?

> Yes
Repair short to power in circuit 112 (BK/Y). Reconnect the red brake warning indicator relay. Go to Pinpoint Test B19. B19

> No
Go to Pinpoint Test B5. B5