GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2006 🢒 Envoy - 2WD 🢒 Engine 🢒 Engine Electrical 🢒 Starting and Charging Schematics
Figure 1:

Starting System
Object Number: 1594087 Size: FS
Master Electrical Component List
Starting System Description and Operation
Control Module References
Charging System
ACCY/RUN, RUN/START, Bus Bars, and IGN B Fuse
BCK/UP, BTSI, IGN E, TBC IGN1, and TRLR BCK/UP Fuses
Underhood Fuse Block
Underhood Fuse Block
Figure 2:

Charging System
Object Number: 1594088 Size: FS
Master Electrical Component List
Charging System Description and Operation
Control Module References
Starting System
Underhood Fuse Block
SP205