Driving While You Tow; Connecting The Trailer’s Brakes; Connecting The Trailer’s Lights - Ford Thunderbird Owner's Manual

Connecting the trailer's brakes
Electric brakes and manual, automatic, or
surge-type hydraulic brakes are safe if you
install them properly and adjust them according
to the manufacturer's instructions. Be sure that
your trailer's brakes meet local and federal
regulations.
Do not connect a trailer's hydraulic brake
system directly to your vehicle's brake
system. Your vehicle may not have
enough braking power and your chances
of having a collision greatly increase.
Connecting the trailer's lights
Do not connect a trailer's lighting system
wiring directly to your vehicle's lighting system
wiring. To get the proper equipment for
hooking up your trailer's lights, see your local
trailer dealer and your Ford dealer. Be sure to
follow their instructions carefully.
If you do not install trailer lights correctly, you
may cause damage to the vehicle's lighting
system.

Driving While You Tow

Be especially careful when driving while you
tow a trailer. Never drive faster than 45 mph
(70 km/h) when you tow in hilly country on
hot days. Also, anticipate stops so that you can
brake gradually.
If you tow in Overdrive while riding through
hilly country, your vehicle may frequently shift
between Overdrive and Third gears. To prevent
your vehicle from shifting too much, depress the
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