RAM 3500 Van V8-360 5.9L Magnum (1995)
Brake Warning Indicator: Description and Operation
Brake Warning Lamp Circuit Operation
Circuit G5 supplies power to the brake warning lamp. There are several ground paths available for the lamp.
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When the case grounded brake warning switch CLOSES, it supplies ground for the brake warning lamp through circuit G9 (ABS) or G14
(RWAL).
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When the case grounded parking brake switch CLOSES, it supplies ground for the brake warning lamp through circuit G9 (ABS) or G11
(RWAL).
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When the ignition switch is in the START position, it supplies ground for the brake warning lamp.
If the vehicle is equipped with Rear Wheel Anti- Lock (RWAL) brakes, circuit G11 provides an input to the RWAL module and splices to circuit G9.
If the vehicles is equipped with all wheel Anti-Lock Brakes (ABS), circuit G9 continues to the ABS control module.
