Question about 2003 Toyota Camry

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I installed a battery with reverse polarity.

Installed a new battery, however, nothing happens when I try to start the car. No light on the dash and none of the power windows, seats, horn, etc. are working

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  • 77 Answers

Check the 100 amp main fuse

Posted on Apr 05, 2015

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1 Answer

My 2001 GPR1200 put my battery in,new plugs,new fuel filter.Went to start and nothing except noise coming from black plastic box ,that plug wires go into where fuses are. anything i can do?


Check the polarity of your battery install...

I'm not getting any US market reactions ...
You are posted GPR1200 under "car & truck"..

So generally... typically...

BBB Industries (registration required) carries MOST circuit drawings for popular USA marketed vehicles...

ELSE...
Buy the Factory+workshop+manual

(other than some "polar" capacitors... I don't believe all the DRAMA about a simple polarity reversal...

Just look for the sooty spots and fix'em
(in my humble opinion)

Jul 03, 2016 | Cars & Trucks

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I mistakenly reversed polarity on my 2003 toyota camry,


Check the 100 amp main fuse. Did you see smoke?

Apr 05, 2015 | 2003 Toyota Camry

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2009 Smart Cabriolet instrament cluster blank


i wouldnt have used the power supply ,just reset the clock afterwards ,i think you have damaged the dash unit this is like a mini computer at the back of it and iam wondering if the power was inadverntly reversed polarity .expensive repair unless you can find on in a scrapyard

Nov 16, 2013 | Smart Cars & Trucks

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Polarity was reversed when jump starting vehicle installed new battery & no power to anything mechanic said fuse got blown.What fuse,where it is located & cost of it.


Hard to say without make, year, and model-but check all fuses in the power distribution box under the hood- ignition, alternator fuse, etc.-all of them, the small ones and the maxi-fuses. All fuses are pretty cheap. If you still have nothing, you may need a wiring diagram to check for fusible links that would be power distributors right off or near the battery. Fusible links work much like a fuse, and most have been replaced by maxi-fuses, but many vehicles have both. If there is a designated main fuse, it should be in the distribution block or box under the hood.

Feb 06, 2013 | Cars & Trucks

4 Answers

Reversed polarity on jump start. now wont go into gear or hold charge


OLder cars YEs you can jump it without a battery. But in newer cars that use computers and advanced Eltronic ignition/timing/ful injection you have to have power to the cars computer. without a good battery the car will not run.---------------------------------------------------------------------------------
Renault CAN Clip

Feb 01, 2013 | 2001 Kia Rio

1 Answer

Car battery installed backwards - reversed polarity. blew whole bunch of fuses. now remote starter not working nor the door lock. viper 771X alarms works just fine. any idea if there is a fuse in the...


I'm sorry to hear that that happened to you. I think that when opposite polarity blows a bunch of fuses, and smoke pours out of the dash, it's a worst case scenario.

I've seen what electrical fires can do to wiring, and it's not pretty.

I'm not sure about the Chrysler 300 from 2005, but commented anyway.

Good luck on repairing this problem. You may need the assistance of an auto electric shop.

Dec 12, 2010 | Chrysler 300 Cars & Trucks

1 Answer

My 2005 toyota carolla, the battery died and when attemping to jump start it again, the polarity on the battery was reversed, after changing the alt fuse and ignition relay the car will start but none of...


sorry to say , get a voltmeter and go through the wiring starting at the fuse box and follow on from there, that includes the ground circuits, its time consuming but revesing polarity can cause untold damage

Nov 11, 2010 | 2005 Toyota Corolla

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Reversed polarity on 2000 mazda millenuim, now my car wont start


if you are lucky, only the fusible link(in the fusebox in the engine bay) is blown. if you are not lucky, a whole lot of modules are blown, and this is really expensive.

Mar 22, 2009 | 2000 Mazda Millenia

1 Answer

Ignition problem, won't start


Your battery may have reversed polarity. The same thing happened to me in my '94 GMC Sonoma. One crank and then nothing except my (+) battery terminal got so hot it almost caught fire. There is no way to test for reversed polarity and even on Autozone's test machine, they swore up and down my battery was good. They refused to warranty it, so I bought another battery. Once installed, my truck ran like a dream again. I took my battery to a different autozone and they warrantied it.

Nov 27, 2008 | 1984 Pontiac Fiero

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