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Replacement bulbs, Electrical system, Electrical system overload – CHEVROLET 2011 Suburban User Manual

Page 412: Replacement bulbs -38, Overload -38, 38 vehicle care

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Black plate (38,1)

Chevrolet Tahoe/Suburban Owner Manual - 2011

10-38

Vehicle Care

4. Pull the bulb straight out of the

socket and install the new bulb.

5. Reverse Steps 1 through 3 to

reinstall the license plate lamp.

Replacement Bulbs

If the vehicle is a hybrid, see the
hybrid supplement for more
information.

Exterior Lamp

Bulb

Number

Back-up Lamp

7441

License Plate Lamp

W5WLL

Rear Turn Signal
Lamp, Taillamp, and
Stoplamp

3057K

Side Marker Lamp

194

For replacement bulbs not listed
here, contact your dealer.

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
the following in the vehicle:

.

Headlamp Wiring

.

Windshield Wiper Motor

.

Power Windows and Other
Power Accessories

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.

Headlamp Wiring

An electrical overload may cause
the lamps to go on and off, or in
some cases to remain off. Have the
headlamp wiring checked right away
if the lamps go on and off or
remain off.

Windshield Wipers

If the wiper motor overheats due to
heavy snow or ice, the windshield
wipers will stop until the motor cools
and will then restart.

Although the circuit is protected
from electrical overload, overload
due to heavy snow or ice may
cause wiper linkage damage.
Always clear ice and heavy snow
from the windshield before using
the windshield wipers.