Gmc 2007 Sierra User Manual download pdf (Page 460)

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101

Auxiliary Battery

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 vehicle has this

provision, this relay will

be located on the

passenger’s side of the

vehicle, next to the

auxiliary battery.

When using this provision, connection should only

be made to the upper stud (A) of the relay. Do not

make connections to the lower stud (B) of the relay.

The auxiliary battery circuit is protected by a

megafuse located behind the auxiliary battery.

Be sure to follow the proper installation instructions

that are included with any electrical equipment

that you install.

Notice: Leaving electrical equipment on for

extended periods will drain the battery. Always

turn off electrical equipment when not in

use and do not use equipment that exceeds

the maximum amperage rating for the auxiliary

battery provision.

Power Winches

If you wish to use a power winch on your vehicle,

only use it when your vehicle is stationary or

anchored.

Trailer Recommendations

You must subtract your hitch loads from the CWR

for your vehicle. Weigh your vehicle with the

trailer attached, so that you won’t go over

the GVWR or GAWR. If you are using a

weight-distributing hitch, weigh the vehicle without

the spring bars in place.

You’ll get the best performance if you spread out

the weight of your load the right way, and if

you choose the correct hitch and trailer brakes.

For more information, see Towing a Trailer

on page 429.

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Gmc 2007 Sierra User Manual Page 460

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