Chevrolet 2001 Tahoe Owner's Manual page 267

Instrument Panel Jumper Wiring Harness
This harness is included with the heavy
wiring package. The harness is for an electric trailer
brake controller and includes a trailer battery feed fuse.
This harness and fuse should be installed by your dealer
or a qualified service center.
Power Winches
If you wish to use a power winch on your vehicle, only
use it when your vehicle is stationary or anchored.
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NOTICE:
Using a power winch with the transmission in
gear may damage the transmission. When
operating a power winch, always leave the
transmission in NEUTRAL (N).
Use the regular brakes, set the parking brake, or block
the wheels to keep your vehicle from rolling.
Step-Bumper Pad
If your vehicle has a rear step bumper, it may be
equipped with a rear step pad at the center of the bumper.
-
duty trailer
If you will be using the
bumper to tow a trailer, you
must remove the center
cutout circle to install the
trailer ball.