Garage Door Opener Connector End Views

WARNING: This page is about a different car, the 2002 Oldsmobile Bravada, 2002 GMC Envoy XL, 2002 GMC Envoy, and 2002 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.

Garage Door Opener Connector End View

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12103301 3-Way P/C (NAT)
Pin	Wire Color	Circuit No.	Function
1	ORN	3140	Battery Positive Voltage
2	BRN/WHT	230	Instrument Panel Lamps Dimming Control
3	BLK	1350	Ground