Garage Door Opener Connector

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.

Garage Door Opener

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12103301 3-Way F P/C (NA)
Pin	Wire Color	Circuit No.	Function
1	OG	3140	Battery Positive Voltage
2	BN/WH	230	Instrument Panel Lamps Dimming Control
3	BK	1350	Ground