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Home >> GMC >> 1992 >> Magnavan 6.2 J >> Repair and Diagnosis >> Body & Frame >> Power Mirrors >> Description & Operation

Description & Operation

NOTE: Article applies to Chevy Van, Cutaway, Hi-Cube, Magnavan, Rally, Rally Camper Special, RV Cutaway, Sportvan, Value Van, Vandura and Vandura Special.
CAUTION: When battery is disconnected, vehicle computer and memory systems may lose memory data. Driveability problems may exist until computer systems have completed a relearn cycle. See COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION before disconnecting battery.

Each outside mirror has 2 reversible motors: one to adjust the mirror view UP and DOWN, the other to adjust the mirror view LEFT and RIGHT. The driver operates 4 switches that control the voltage polarity to the motors. The mirror select switch directs these control voltages to either the left or right outside mirrors.