Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13882570) - 2020 - CRC - 6/18/19
Driving and Operating
169
To Use the Engine Coolant
Heater
1. Turn off the engine.
4.3L V6 Engine
6.0L V8 Engine
4. Open the hood and unwrap the
electrical cord.
For V6 engines, the cord for
the engine coolant heater is on
the driver side of the engine
compartment.
For V8 engines, the cord for
the engine coolant heater is
behind the engine air cleaner/
filter.
Check the heater cord for
damage. If it is damaged, do
not use it. See your dealer for
a replacement. Inspect the
cord for damage yearly.
5. Plug it into a normal, grounded
110-volt AC outlet.
{
Warning
Improper use of the heater cord
or an extension cord can damage
the cord and may result in
overheating and fire.
.
Plug the cord into a
three-prong electrical utility
receptacle that is protected
by a ground fault detection
function. An ungrounded
outlet could cause an
electric shock.
.
Use a weatherproof,
heavy-duty, 15 amp-rated
extension cord if needed.
Failure to use the
recommended extension
cord in good operating
condition, or using a
damaged heater or
extension cord, could make
(Continued)
