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Alternator connector glowing red hot after jumping veh with other battery
My 99 Explorer had been running fine. Tonight I left my lights on, killed the battery - which is about a week old from Walmart. Boosted it with another battery I have that happens to be good. Car fired up but the connection nut with the rubber boot at the top of the alternator started glowing red hot. Obviously can't run it like that.
Any ideas what's happened? Never encountered this before. Thanks. |
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#3
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Alternator connector glowing red hot after jumping veh with other battery
> wrote:
>My 99 Explorer had been running fine. Tonight I left my lights on, killed t= >he battery - which is about a week old from Walmart. Boosted it with anothe= >r battery I have that happens to be good. Car fired up but the connection n= >ut with the rubber boot at the top of the alternator started glowing red ho= >t. Obviously can't run it like that. > >Any ideas what's happened? Never encountered this before.=20 Your alternator is shorted to ground internally. Either because it got a brief reverse polarity spike or just because it failed from age. You may be able to get the diodes in the regulator replaced or you may have to swap out the whole thing. --scott -- "C'est un Nagra. C'est suisse, et tres, tres precis." |
#4
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Alternator connector glowing red hot after jumping veh with other battery
Alternators. The weakest link in the vehicular
electrical chain. |
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Alternator connector glowing red hot after jumping veh with otherbattery
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Alternator connector glowing red hot after jumping veh with otherbattery
In article >, AMuzi > wrote:
>On 5/17/2018 8:55 AM, wrote: >> Alternators. The weakest link in the vehicular >> electrical chain. > >So I can take out my fusible link then? No, the alternator does that for you. --scott -- "C'est un Nagra. C'est suisse, et tres, tres precis." |
#7
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Alternator connector glowing red hot after jumping veh with other battery
AMuzi wrote: "
So I can take out my fusible link then? -- " No, wiseguy. Alternators are the most likely underhood component to go bad in an automotive electrical system. That's all I was saying. Back in college went through three new batteries in my '81 Buick. Replaced the alternator after that third one and never bought a battery for that car again. |
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