Trailer Brakes; Safety Chains - Chevrolet 1999 Prizm Owner's Manual

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Will you have to make any holes in the body of your
vehicle when you install a trailer hitch? If you do,
then be sure to seal the holes later when you remove
the hitch. If you don't seal them, deadly carbon
monoxide (CO) from your exhaust can get into your
vehicle (see "Carbon Monoxide" in the Index).
Dirt and water can, too.

Safety Chains

You should always attach chains between your vehicle
and your trailer. Cross the safety chains under the tongue
of the trailer so that the tongue will not drop to the road
if it becomes separated from the hitch. Instructions
about safety chains may be provided by the hitch
manufacturer or by the trailer manufacturer. Follow the
manufacturer's recommendation for attaching safety
chains and do not attach them to the bumper. Always
leave just enough slack so you can turn with your rig.
And, never allow safety chains to drag on the ground.
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Trailer Brakes

Does your trailer have its own brakes? Be sure to read
and follow the instructions for the trailer brakes so
you'll be able to install, adjust and maintain them
properly. If your vehicle has anti
to tap into your vehicle's brake system. If you do, both
brake systems won't work well or at all.
Even if your vehicle doesn't have anti
don't tap into your vehicle's brake system if the trailer's
brake system will use more than 0.02 cubic inch (0.3 cc)
of fluid from your vehicle's master cylinder. If it does,
both braking systems won't work well. You could even
lose your brakes.
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Will the trailer brake parts take 3,000 psi
(20 650 kPa) of pressure? If not, the trailer brake
system must not be used with your vehicle.
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If everything checks out this far, then make the brake
fluid tap at the upper rear master cylinder port. But
don't use copper tubing for this. If you do, it will
bend and finally break off. Use steel brake tubing.
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lock brakes, don't try
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lock brakes,