Electrical System; Overload; Replacement Bulbs - GMC 2015 Sierra Owner's Manual

Replacement Bulbs

Exterior Lamp
Back-Up Lamp 921 (W16W)
Back-Up Lamp*
Cargo Lamp 921 (W16W)
Center
High-Mounted
Stoplamp
(CHMSL)
Fog Lamp
Front Turn Signal
Lamp and
Parking Lamp
Exterior Lamp
Bulb
Number
High/Low-Beam
Headlamp
Rear
1156
Sidemarker Lamp
Stoplamp/Taillamp/
921LL
Turn Signal Lamp
Stoplamp/Turn
Signal Lamp/
Taillamp*
PS24W
* Chassis Cab Models
7443 LL
For replacement bulbs not listed
here, contact your dealer.

Electrical System

Bulb
Number
Electrical System
HIR 2

Overload

(9012 LL)
194
The vehicle has fuses to protect
against an electrical system
overload. Fuses also protect power
7444 LL
devices in the vehicle.
Replace a bad fuse with a new one
1157
of the identical size and rating.
If there is a problem on the road and
a fuse needs to be replaced, there
are some spare fuses and a fuse
puller in the Instrument Panel Fuse
Block. The same amperage fuse
can also be borrowed. Choose
some feature of the vehicle that is
not needed to use and replace it as
soon as possible.
Vehicle Care 10-43