My son just installed 2 start-x remote kits. One in his Dodge RAM and the other in his Ford Escape, both were simple pug and play installs. From Amazon
I never heard of tightening ball joints. They seat on a taper when installed. If theres movement, it must be in the ball socket itself. Jack it up to take tension off the suspension, and see if you can move anything.
If the AC or heat is on high, the Auto Start/Stop won't work, as they draw too much electricity. Also if you don't apply enough pressure on the brake pedal, it will not work.
I have used Ruff Tuff on my other Jeep and my Silverado. Very well made and hold up well. Cheap ones look good at first, but turn to crap after some wear. https://www.cabelas.com/shop/en/cabelas-kryptek-camo-seat-covers-by-ruff-tuff
I put the Rough Country power steps on my Mojave and love them. When in the up position they look like a rock rail, but they are aluminum so they wouldn't hold up like steel ones. They drop down when you open the doors, and go up when you close the doors. They have a lighted area for each step...
I just got mine yesterday, and got them installed. I didn't think they would connect at first, as I couldn't find the connector to disconnect the wires. The connector on the left side was tucked was up in where I couldn't see it. Then I had trouble disconnecting the connector, as the connector...
Using a meter check for 12 volts at the connector by the rear window. This will tell you if power is getting back there. You can disconnect the connector and check for continuity in the wiring in the glass. It should be very low. If it shows open then the window probably needs replacement.