Description

Schematic:

DESCRIPTION
If the red brake light does not turn on when the key is in the START position, service the warning bulb system as required. The most likely cause of non-functioning red brake light(s) is a burned-out bulb or an open fuse.

Possible Contributing Base Brake Component/Vehicle Wiring Concerns
- Open brake warning light bulb (RED)
- Open power fuse
- Open Circuits 640 (R/Y), 977 (P/W), 512 (T/LG), 531 (DG/Y), 128 (P/Y).
- Open resistor/diode circuit
- Unseated master cylinder fluid level switch connector
- Defective ignition bulb prove out switch.

NOTE: Use Rotunda(r) 73 Digital Multimeter 105-00051 or equivalent for electrical tests.