aux battery

  1. Replacing Alternator Advice

    Hello, just bought my first wrangler this year in January. It’s a 2018 JLU Sport S with 41,000 miles. Just last week after stoping at a store when I went to leave my Jeep wouldn’t start. I had power but no turn over. I used my portable jumper and that didn’t work. A friendly stranger then used...
  2. 3.6L ESS Aux Battery Bypass

    I've seen quite a few posts related to failed Aux batteries causing flaky or dead electronics, stalling and failing to start/auto restart. I've come up with a simple way to temporarily bypass a bad Aux battery (also blown PCR fuse or bad PCR) and get back on the road. Warning - this post...
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