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Battery warning light

Tiny
JLZTEXAS
  • MEMBER
  • 2007 JEEP GRAND CHEROKEE
  • 5.7L
  • V8
  • 4WD
  • AUTOMATIC
  • 150,000 MILES
Battery light comes on then off for varying lengths of time. When it comes on the headlights will not go to high and sometimes the radio goes off then comes back on.
Friday, July 19th, 2019 AT 9:16 AM

1 Reply

Tiny
SCGRANTURISMO
  • MECHANIC
  • 4,897 POSTS
Hello,

This could be a problem with Ground #200, which is located near the breakout to the Data Link Connector (DLC) from the wiring harness. The DLC is where you plug your code reader into your vehicle at. Please make sure that this ground is clean, tight, corrosion free, and making good metal to metal contact. I have included a Ground Distribution Wiring Diagram in the diagrams down below for you as well that shows Ground #200 and what circuits ground there. Please get back to us with what you are able to find out, and how everything turns out.

Thanks,
Alex
2CarPros
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Friday, July 19th, 2019 AT 11:16 AM

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