Other information:
The engine block heater warms the engine, and permits quicker starts in cold
weather. Connect the cord to a standard 110-115 Volt AC electrical outlet with a
grounded, three-wire extension cord.
The engine block heater must be plugged in at least one hour to have an adequate
warming effect on the engine...
Do not interconnect the hydraulic brake system or vacuum system of
your vehicle with that of the trailer. This could cause inad- equate braking
and possible personal injury.
An electronically actuated trailer brake controller is required when towing
a trailer with electronically actuated brakes...