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Home >> Buick >> 1996 >> Century Custom >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Tests W/Codes - 3.1L >> Diagnostic Trouble Codes >> DTC P1663 - Generator Light Control Circuit >> Circuit Description
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Circuit Description

Generator light is powered through IGN 1 fuse. Powertrain Control Module (PCM) turns on bulb, LED or driver info center indicator by supplying ground circuit.

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