Can you guys give more info on putting a grid heater on (4bta) do you wire it to a push button or a timer? And is the spacer the pipe with 4 bolts on the pass side of the aftercooler were the crossover pipe goes in, or is it under the aftercooler ? Thanks for your help! My engine starts good as low as 15 F, but sometime I'm going to have to leave it somewhere with no where to plug in when it is colder.