Chevrolet 2007 Avalanche Owner's Manual page 486

The remote negative (-) terminal is a stud
located on the right front of the engine, where
the negative battery cable attaches.
See Engine Compartment Overview on
page 452 for more information on the location
of the remote positive (+) and remote
negative ( ) terminals.
486
CAUTION:
{
An electric fan can start up even when the
engine is not running and can injure you.
Keep hands, clothing and tools away from
any underhood electric fan.
CAUTION:
{
Using a match near a battery can cause
battery gas to explode. People have been
hurt doing this, and some have been
blinded. Use a flashlight if you need more
light.
CAUTION: (Continued)