Multi Vehicle Databus Doorlock Alarm Interface 

Single wire data bus control of all GM doorlock & security functions
Data Bus door lock and alarm interface: Lock/Unlock, Trunk, Panic, OEM Security Arm/Disarm, Driver 1 Settings. 

FOR ADDITIONAL INFORMATION GO TO WWW.XPRESSDOWNLOAD.COM

Please refer to our wire diagram page 
for the correct unit for your vehicle.