My F250 PowerStroke (the truck I use to haul stuff to & from my shop...) has a
block heater. I have noticed that when I unplug the extension cord from the
block heater in the morning there is a noticeable spark as the connection is
broken. Is this 'normal'? I haven't noticed sparks when unplugging other items
(although that may be only because I unplug the block heater at oh-dark-thirty
and can thus see the spark...).
Eric Russell
Mebane, NC
http://home.mebtel.net/~ejrussell
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