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Home >> Cadillac >> 2000 >> Eldorado V8-4.6L VIN Y >> Repair and Diagnosis >> Relays and Modules >> Relays and Modules - Powertrain Management >> Relays and Modules - Computers and Control Systems >> Body Control Module >> Description and Operation >> Lighting Control >> Exterior Lighting Control
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Exterior Lighting Control

The PZM provides control for following exterior lighting items:
^ The low beams and the park lamps
^ The high beams
^ The daytime running lamps
^ The fog lamps
^ The backup lamps
^ The rear tog lamps (export only)

The instrument cluster sends all of the lamp on or off requests to the PZM on the class 2 serial data line. Except for of theft deterrent activation, the PZM controls theft deterrent activation.