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1991 JEEP CHEROKEE LIMITED battery gauge goes down when I turn on my heat or lights

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Old Dec 17, 2018 | 09:40 PM
  #1  
Jeepcreep6's Avatar
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From: British Columbia
Year: 1991
Model: Cherokee(XJ)
Engine: 4.0L
Default 1991 JEEP CHEROKEE LIMITED battery gauge goes down when I turn on my heat or lights

could it be the alternator? It starts up right away, but when I turn my heat on the battery gauge goes down to the red mark.
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Old Dec 17, 2018 | 09:46 PM
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downs's Avatar
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From: Hunt County Texas
Year: 1995
Model: Cherokee (XJ)
Engine: 4.0L
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Have battery and alt tested. Other than that check out all of your grounds and make sure they are good to go with good wiring going to them.
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