OnStar Schematics. GMC Truck Sonoma Pickup

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 2001 🢒 Sonoma Pickup - 4WD 🢒 Body and Accessories 🢒 Cellular Communication 🢒 OnStar Schematics

Figure 1:	Vehicle Interface Unit (VIU) Master Electrical Component List OnStar Description and Operation OnStar® Controls, VIU INT BATT Fuse Ign RUN and START Bus Bar Ign ACC, RUN and RAP Bus Bar INT BATT Fuse Power, Ground, Transfer Case Shift Control Module and Vehicle InterfacE Unit (VIU) Power and Ground Power and Ground Power (Chevy/GMC) Power and Ground (w/ Trip Computer) SP201 (2.2L)
Figure 2:	OnStar® Controls, VIU
Figure 3:	Vehicle Communications Unit (VCU), Antenna