2001 GMC SIERRA auxiliary battery

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Page 303 of 468

GMC SIERRA 2001  Owners Manual 4-81 Auxiliary Battery (If Equipped)
The auxiliary battery provision can be used to supply
electrical power to additional equipment that you may
choose to add, such as a slide
-in camper.
If your vehi

Page 415 of 468

GMC SIERRA 2001  Owners Manual 6-73
NAME Usage
CRUISE Cruise Control, Instrument 
Panel Cluster
IGN 3 Ignition, Power Seats
4WD Four
-Wheel Drive System,
Auxiliary Battery
CRANK Starting System
INT PRK Parking Lamps, Sidemarker Lam