GMC 2006 Sierra 1500 Pickup Owner's Manual page 537

Fuses
IGN 3
4WD
HTR A/C
LOCK (Relay)
HVAC 1
LT DR
CRUISE
UNLCK (Relay)
RR FOG LP
BRAKE
Usage
Ignition, Heated Seats
Four-Wheel Drive System,
Auxiliary Battery
Climate Control System
Power Door Lock Relay
(Lock Function)
Climate Control System
Driver's Door Harness
Connection
Cruise Control, Power Take
Off (PTO)
Power Door Lock Relay
(Unlock Function)
Not Used
Anti-Lock Brake System
Fuses
DRIVER UNLCK
IGN 0
TBC IGN 0
VEH CHMSL
LT TRLR ST/TRN
LT TRN
VEH STOP
RT TRLR ST/TRN
RT TRN
Usage
Power Door Lock Relay
(Driver's Door Unlock
Function)
TCM
Truck Body Controller
Vehicle and Trailer High
Mounted Stoplamp
Left Turn Signal/Stop Trailer
Left Turn Signals and
Sidemarkers
Vehicle Stoplamps, Brake
Module, Electronic Throttle
Control Module
Right Turn Signal/Stop Trailer
Right Turn Signals and
Sidemarkers
5-125