You can also hook up your charger to posts under the hood. Probably a little more convenient. You may want to look into permanently mounting a trickle charger under the hood and running the DC cord out to the front bumper. Noco has the equipment specifically designed for doing that.For those looking for a Deep Sleep temporary fix, I came up with a trickle charger solution.
Because the battery is under the backseat and not under the hood, the solution is a little more cumbersome.
I bought a 1.5 amp charger/trickle charger from Menards. It has two leads to connect to the battery cable tightening nuts (after cutting a small notch out of them first). The cord on the charger I got is VERY short but that doesn't matter.
I connected the leads and did a quick check to make sure the charger was working. When I went to close the battery cover, I realized that I'd have to cut a couple notches in the case so it would close.
Now when I get home and if the truck will be sitting for a few days, I roll down the rear window about half way and run an extension cord in to plug in the charger.
It's a little inconvenient but it works great. I haven't gotten any Deep Sleep messages since it was installed.
My next steps will involve a multi meter and pulling fuses. The idea being that there is something (or things) in the truck's electrical system that's drawing down the battery when the truck is shut off and I'd like to tell Ford what it is.
A side note: I have heard that the Deep Sleep problem is not just Mavericks but other vehicles including other Ford models and Subarus.
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