Question about 2003 Hyundai Tiburon

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Hooked battery terminals backwards

I've got a Hyundai Tiburon 2003.I've connected the bettery backwards by mistake.I've put in e new battery,but now my headlights don't work,my car cranks,but doesn't start.My fuel pump is not switching on and car radio also doesn't switch on.None of my fuses are blown in the fuse box.What else could be the problem?

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You have reversed the polarity for the CPU in the ECM This causes problems with the program at best and at worst will require a new ECM. Use a scanner to see if the program will reset and if not have the ECM checked for operation. You may have to have the alternator checked as well as reversing polarity blows rectifier diodes.

Posted on Mar 19, 2014


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SOURCE: Hyundai Tiburon 2003 V6 washer pump

try runing direct power to the washer pump

Posted on Sep 04, 2008

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SOURCE: Fuel pump fuse location for 2000 Hyundai Elantra?


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SOURCE: 97 hyundai accent no headlights or heater fan

Under the dash fuse box ,fuse 15 (TCM ECT) is a combination of cluster, heater and headlights.probably a relay fuse!!!!! fuse 16is a relay fuse.

Posted on Jun 10, 2009

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SOURCE: Hyundai Elantra 2003 electrical problem

I found that while checking my fuses that i had pulled out what looked like a black plastic "fuse puller" that was actually some kind of jumper. I had accidentally re-installed it reversed. I reversed it back to its original position and all lights, clock, radio, etc.. work normal now.

Posted on Nov 11, 2009

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SOURCE: i jump start my wifes car at night with the cables backwards

I found that while checking my fuses that i had pulled out what looked like a black plastic "fuse puller" that was actually some kind of jumper. I had accidentally re-installed it reversed. I reversed it back to its original position and all lights, clock, radio, etc.. work normal now.

Posted on Nov 11, 2009

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