Sammitch0 Posted May 6, 2011 Report Share Posted May 6, 2011 So I was driving the other day everything was fine (I built a new box 27hz) and I was bumping everything seemed normal, I shut my jeep off leave it for a few hours and come out to start it, it starts but its only @ like 12.2v on battery and only 11.9v coming from alternator. I went over my big III a few grounds are sorta loose but nothing outta the ordinary. So the other day I go outside on a whim and start my jeep , starts up 14.4v stays there, I full tilt and do some other stuff its fine all day, I go to drive to home depot does it again, so I pull over it goes back upto 14.4v I shut my jeep up, turn it back on its now 11.9v again. Also my Check Engine light comes on when this happaneing, I've never seen an alternator do this its just a 90a Jeep Stocky. Grand Cherokee Team Backwoods Bumpers DC 15" Level 3's /w 4 Coils Pioneer deh4200ub Pioneer 3-ways Pioneer Tweeters Pioneer GM-D9500F Audiopipe 1500.1D @ 14.4v Clarion Equalizer Knuconeptz Kollosus 0ga Knuconpetz Kollosus 4ga Coming Soon: 270xp / xs1200 Link to comment Share on other sites More sharing options...
Sammitch0 Posted May 6, 2011 Author Report Share Posted May 6, 2011 bump Grand Cherokee Team Backwoods Bumpers DC 15" Level 3's /w 4 Coils Pioneer deh4200ub Pioneer 3-ways Pioneer Tweeters Pioneer GM-D9500F Audiopipe 1500.1D @ 14.4v Clarion Equalizer Knuconeptz Kollosus 0ga Knuconpetz Kollosus 4ga Coming Soon: 270xp / xs1200 Link to comment Share on other sites More sharing options...
xanoreita Posted May 6, 2011 Report Share Posted May 6, 2011 is it old alt? I had same kind of problem and brushes(or watever there called, english is not my primary language but did some googling) were worn out...just changed them and worked fine. Link to comment Share on other sites More sharing options...
Paul M Posted May 6, 2011 Report Share Posted May 6, 2011 How old are your belts? Mine wore out, and while I was driving my battery light would come one, changed it, and everything is fine. Link to comment Share on other sites More sharing options...
Sammitch0 Posted May 6, 2011 Author Report Share Posted May 6, 2011 Belts pretty new and tight I was thinking it could be the brushes because I do a lot of mudding etc. It's VERY old I think its like 2+ years old easily. Grand Cherokee Team Backwoods Bumpers DC 15" Level 3's /w 4 Coils Pioneer deh4200ub Pioneer 3-ways Pioneer Tweeters Pioneer GM-D9500F Audiopipe 1500.1D @ 14.4v Clarion Equalizer Knuconeptz Kollosus 0ga Knuconpetz Kollosus 4ga Coming Soon: 270xp / xs1200 Link to comment Share on other sites More sharing options...
Sammitch0 Posted May 6, 2011 Author Report Share Posted May 6, 2011 bump Grand Cherokee Team Backwoods Bumpers DC 15" Level 3's /w 4 Coils Pioneer deh4200ub Pioneer 3-ways Pioneer Tweeters Pioneer GM-D9500F Audiopipe 1500.1D @ 14.4v Clarion Equalizer Knuconeptz Kollosus 0ga Knuconpetz Kollosus 4ga Coming Soon: 270xp / xs1200 Link to comment Share on other sites More sharing options...
Sammitch0 Posted May 6, 2011 Author Report Share Posted May 6, 2011 bump Grand Cherokee Team Backwoods Bumpers DC 15" Level 3's /w 4 Coils Pioneer deh4200ub Pioneer 3-ways Pioneer Tweeters Pioneer GM-D9500F Audiopipe 1500.1D @ 14.4v Clarion Equalizer Knuconeptz Kollosus 0ga Knuconpetz Kollosus 4ga Coming Soon: 270xp / xs1200 Link to comment Share on other sites More sharing options...
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