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Old 09-02-2020, 01:03 PM   #1
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i got in my truck this morning to drive in and i saw the battery light was on......what does this mean?
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Old 09-02-2020, 02:18 PM   #2
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kinda sounds like alternator....
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Old 09-02-2020, 02:18 PM   #3
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Alt is low charge, high charge or not charging at all.
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Old 09-02-2020, 02:38 PM   #4
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that sucks cause its new, oh well i guess ill replace it..
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Old 09-02-2020, 03:20 PM   #5
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i get this for a SECOND on startup after the truck has been sitting for a while. i think its more that the battery is SLIGHTLY lower than the truck's dummy sensor and the alternator just isnt spinning fast enough to charge quickly. I wouldnt replace anything.
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Old 09-02-2020, 07:52 PM   #6
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Quote:
Originally Posted by SVTCTR View Post
i got in my truck this morning to drive in and i saw the battery light was on......what does this mean?
Are you saying it stays on? Or just comes on for a second or two on start
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Old 09-02-2020, 09:07 PM   #7
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Stays on. I came home after driving a different truck since I don't want to get stranded. The light stays on. It's dim-ish. I checked my OBD2 reader and it says I'm putting out 14.2 Volts.
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Old 09-03-2020, 01:11 PM   #8
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Dim light is not the same as bright warning light. 14.2 volts at the battery is good.


Do NOT disconnect a battery cable while the engine is running - then you'll need a new alternator for sure !!!!
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Old 09-03-2020, 01:18 PM   #9
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Do NOT disconnect a battery cable while the engine is running - then you'll need a new alternator for sure !!!!

HAHA i was thinking about it but i figured i might get shocked and so i didnt.
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Old 01-13-2022, 06:37 PM   #10
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so its been over a yr, truck has been doing good with the dim battery light (same battery) but today on my way to work it lost power. i couldnt rev it up and it just did want to play anymore. i replaced the battery and it started and ran just fine but now the battery light is bright! any suggestions?
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