Jeep Won't Start (Causes & Solution)

I can’t believe my Jeep was down for 3 weeks because this little useless aux battery. Now first off I had people comment on my personal wanting to know why people remove it and bypass it. Search on the forums and you’ll see why. I pulled the aux battery and used electric tape to tape up the positive and negative. DO NOT SKIP. And shoved them back up. Now some people opt to take the positive up to the engine bay. I’m not doing all that none sense I bought a bigger battery. I’m sure someone will s