Quote:

99 Dodge CTD, How many hours before I start the truck can I leave it plugged in for? overnight?

Adam



Depends on how cold it is. Overnight is not a problem at all. There's stretches that I'll leave mine plugged in for days. The only drawback to this is that over time the heater can corrode and become inefficient. Other than that, it's a matter of how much electricity you want to pay for.