Thers are some dumb buggers around, and I'm one of them. Put a new battery in the 1998 Corolla 1.8 GLX today, and inadvertantly installed it the wrong way around.(i.e positive to negative) The terminals were back to front from the old ones, but thats still no excuse. So the car got powered backwards,and is now stone dead. Is ther a main fuse somewhere thats likely blown,or is it more serious than that?
Thanks
Dead Electrics
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Dead Electrics
by carlos3 » Sat Jun 26, 2010 6:22 pm
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by Akane » Sat Jun 26, 2010 6:58 pm
I remember hearing voltage regulators sometimes blow up too. Pays to check.
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by thegreatestben » Sat Jun 26, 2010 7:15 pm
The big(ger) fusible links in the engine bay fuse will be blown.
Highly unlikely you've done any damage other than that.
have a clear top on them so you shouldn't have any problem spotting them.
Highly unlikely you've done any damage other than that.
have a clear top on them so you shouldn't have any problem spotting them.
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by Mr.Phreak » Sat Jun 26, 2010 8:36 pm
thegreatestben wrote:The big(ger) fusible links in the engine bay fuse will be blown.
Highly unlikely you've done any damage other than that.
have a clear top on them so you shouldn't have any problem spotting them.
This
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by 3T-Rona » Sun Jun 27, 2010 11:36 am
provided the ignition was in the off position its unlikely uve caused serious damage.
any fuses with battery supply could be blown, main to the alt (big clear top fuselink in engine bay) is most likely but it would pay to check all fuses with a test lamp,
pretty straight forward.....
(had a customer with an AS300 who swore he didnt turn the ignition on with the battery in backwards, turns out he was a dirty liar.....
fried igniton module for the win......$1300 ex japan)
any fuses with battery supply could be blown, main to the alt (big clear top fuselink in engine bay) is most likely but it would pay to check all fuses with a test lamp,
pretty straight forward.....
(had a customer with an AS300 who swore he didnt turn the ignition on with the battery in backwards, turns out he was a dirty liar.....
fried igniton module for the win......$1300 ex japan)
PM me for anything autoelectrical, Info or jobs etc....
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by MAGN1T » Sun Jun 27, 2010 12:03 pm
The alternator has diodes inside.
When the battery is reversed the diodes conduct and blow the fuse.
All the other electronics normally have a diode in as well (reverse polarity protection). It's to blow the fuse when the battery is reversed.
Steve
When the battery is reversed the diodes conduct and blow the fuse.
All the other electronics normally have a diode in as well (reverse polarity protection). It's to blow the fuse when the battery is reversed.
Steve
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by Bling » Sun Jun 27, 2010 2:14 pm
3T-Rona wrote:(had a customer with an AS300 who swore he didnt turn the ignition on with the battery in backwards, turns out he was a dirty liar.....
fried igniton module for the win......$1300 ex japan)
That made me lol IRL
I'd probably deny it too though 
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