K 3500 Truck 4WD V8-393 6.5L DSL Turbo (1993)
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Brake Switch (Cruise Control): Description and Operation
Electric Brake Release Switch
The brake pedal is equipped with two switches: a combination stop light/cruise control/TCC switch and a plunger type release switch. Each switch
disengages the cruise control system when the brake pedal is depressed. When the brake pedal is released, the system will remain disengaged.