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Note: If Y91 is present on the RPO list, refer to your owner's manual to adjust chimes.
Yellow
GMOS-LAN-04
Chime Volume Adjustment
Audio Level Adjustment
OnStar Level Adjustment
Black/Yellow
Additional 12-pin harness (ASWC harness)
5
Potentiometer located on 16 pin
side of the interface
Black/Yellow
Black/
Black/Yellow
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