I've read most of this thread and learned from the ideas. But a device I use for security in my remote campsites came to mind. I buy them from Amazon. They sense movement but not through glass AFAIK. But if a couple were set inside a Jeep, facing different directions, and one hung by a cord from...
There is a lot of info on aux battery bypass/delete procedures. I just removed my aux battery entirely, pulled the cables back up in the engine compartment, taped off the negative cable, and attached the positive cable to the main battery. Works like a charm.
@Centurion07
I have a 2018 JLUR...
Oh thank you. That helps me a lot to know that's where the water goes. I always wondered and I can now check that mat periodically and see how it's holding up.
Carol
2018 JLU Rubicon
Nice DIY writeup & pictures, helped a bunch! I assumed it only filters outside incoming air, but looking at it I think it also filters the inside air on Recirculate setting. How great for allergies!