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GMC
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2000
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K 3500 Truck 4WD V8-6.5L DSL Turbo VIN F
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Repair and Diagnosis
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Accessories and Optional Equipment
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Antitheft and Alarm Systems
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Keyless Entry
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Description and Operation
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Circuit Description (Luxury)
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Door Lock Verification
Door Lock Verification
When the door lock button is depressed, all doors will lock as described above and also the
remote control
door lock receiver will provide a ground signal through CKT 28 (BLK) to the horn relay which will sound the horn.