Block Heater Humming
#1
Block Heater Humming
Ok guys, plugged my block heater in tonight, went inside for an hour, came out to get something out of the cab and I could hear a noise from underhood. Opened the hood, sounds like a humming from the drivers side of the block. Unplug the heater, it goes away after a few seconds. Plug it in, it comes back after a few seconds, needless to say, I left it unplugged tonight. Any thoughts, this has never hummed before, especially from the drivers side of the block.
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ramrunner01
24 Valve 2nd Gen Dodge Cummins 98.5-02
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02-25-2015 11:14 PM