Replacement Bulbs; Electrical System Electrical System; Overload - GMC 2013 Sierra Owner's Manual

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10-38
Vehicle Care
3. Turn the bulb socket (C) one
quarter turn to release the bulb
socket from the lamp
housing (A).
4. Pull the bulb (B) from the bulb
socket (C).
5. Reverse the steps to install.

Replacement Bulbs

Exterior Lamp
Number
Back-up Lamp
Back-up Lamp*
Cargo Lamp and
Center
High-Mounted
Stoplamp
(CHMSL)
Fender Marker
W5WLL
Front Turn Signal
Lamp, Sidemarker
Lamp, and
Parking Lamp
Exterior Lamp
High-Beam
Headlamp
Low-Beam
Headlamp
License
Plate Lamp
Stoplamp/Taillamp/
Bulb
Turn Signal Lamp
Sidemarker Lamp
3047K
Stoplamp/Turn
1156
Signal Lamp/
912
Taillamp*
* Chassis Cab Models
For replacement bulbs not listed
here, contact your dealer.
3157A
Bulb
Number
9005
H11
168
3047K
194
1157
I n f o r ma t i o n P r o v i d e d b y :
Electrical System
Electrical System

Overload

The vehicle has fuses and circuit
breakers to protect against an
electrical system overload.
When the current electrical load is
too heavy, the circuit breaker opens
and closes, protecting the circuit
until the current load returns to
normal or the problem is fixed. This
greatly reduces the chance of circuit
overload and fire caused by
electrical problems.
Fuses and circuit breakers protect
power devices in the vehicle.
Replace a bad fuse with a new one
of the identical size and rating.
If there is a problem on the road and
a fuse needs to be replaced, the
same amperage fuse can be
borrowed. Choose some feature of
the vehicle that is not needed to use
and replace it as soon as possible.

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