When was the last time you changed the battery?
1.5 years ago, believe it was October 2018. When the previous battery died it gave me a lot of warning, the interior lights were progressively dimmer over a couple weeks, then it wouldn't crank.
Just hooked up a charger and on 2 amp slow charge it reads 75% charge on the battery?
Didn't get to post this earlier as I was typing on my phone and had to conserve its battery. What I thought was the ignition switch was electrical gremlins? For instance, when I'd unlock the doors the radio would turn on (like when you turn off the car and it stays on until you open a door). Also the cigarette lighter cut off, and when I turned the ignition off and back on it worked again. Also after that happened the display (backlight??) on the radio (non-touchscreen) went black but the text was still there and the controls still worked.
I've also had an issue for a couple weeks now. When I used to turn the ignition to run and then start the car, the dome lights would stay on. The past couple weeks, as I'd cycle the ignition from off to run the dome light would cut off inbetween. Also I swear at one point while driving last week my headlights cut off for a split second.
I haven't checked the connections at the battery, but I swear its tight. Tried wiggling them, but haven't actually disconnected and reconnected yet.
Car also has a $50 walmart battery in it.
Was also using an ancient DC-AC adapter from the 90's to charge my phone. Been using it for months.
I read on the forums here that the radio fuse can cause problems?