![](https://pdfstore-manualsonline.prod.a.ki/pdfasset/6/15/6154cd1f-e014-4287-bdc0-1a721b2136de/6154cd1f-e014-4287-bdc0-1a721b2136de-bg180.png)
Black plate (383,1)
Model "S51-D" EDITED: 2008/ 3/ 26
WARNING
. Do not use your engine block heater
with an ungrounded electrical system or
a 2-pronged adapter. You can be ser-
iously injured by an electrical shock if
you use an ungrounded connection.
. Disconnect and properly store the en-
gine block heater cord before starting
the engine. Damage to the cord could
result in an electrical shock and can
cause serious injury.
. Use a heavy-duty 3-wire, 3-pronged
extension cord rated for at least 10A.
Plug the extension cord into a Ground
Fault Interrupt (GFI) protected, grounded
110-VAC outlet. Failure to use the proper
extension cord or a grounded outlet can
result in a fire or electrical shock and
cause serious personal injury.
Starting and driving 5-81