drain

Been having a bad drain problem the last year, can’t figure what it is. But the main problem is, when the drain gets the battery’s low enough the head unit will start playing sound, but the head unit screen is off and blank. What could be causing this? As this them drains my battery’s dead...

I've been having a lot of trouble with a phantom power draw on my 04 Chevy 2500HD. I've got two XS Power D3400 batteries under the hood wired in parallel with a Mechman E-series 250a alternator powering them. My system consists of a Kenwood DNX-8120 HU feeding an Orion HCCA-D5000 sub amp, and a...