Quote:
Originally Posted by puddleglum
One thing I noticed with the trailer plug is that there is a locking tab on the lid that latches nicely over the extension cord end. If you try this and your worried about forgetting to unplug, you might want to remove the lock tab. I may remove it on mine for the same reason.
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I'm about to install a relay that when 120v is on block heater the car won't start....