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sprinkles08, ASE Certified Technician
Category: Hyundai
Satisfied Customers: 22986
Experience:  ASE Master and Advanced level certified. Factory trained with 15 years dealership experience
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Hyundai Genesis 3.8: my son with a 2014 hyundai genesis hooked

Customer Question

my son with a 2014 hyundai genesis hooked up a battery wrong in his car and now it wont start
I see youmay have answered this one already
Submitted: 2 years ago.
Category: Hyundai
Customer: replied 2 years ago.
(Posted by JustAnswer at customer's request) Hello. I would like to request the following Expert Service(s) from you: Live Phone Call + Provide Diagrams, Manuals, or Instructions. Let me know if you need more information, or send me the service offer(s) so we can proceed.
Expert:  sprinkles08 replied 2 years ago.
Hello and welcome to JustAnswer!
Reversed polarity will quickly damage any electrical component. Most likely one or modules have failed.
The first thing you'll need to do is check all fuses. It's possible that one or more fuses have blown, either from a module failure or just as the result of the reversed polarity. If any are blown then replace them, attempt to start it and then see if they blow again. If any blow repeatedly then whatever components are powered by that fuse have most likely failed.
If no fuses are blown then a scan tool will need to be used to see what modules do and don't communicate and the powers and grounds to those modules should be confirmed before they are replaced.
Customer: replied 2 years ago.
I have already diagnosed and fixed the issues. Luckily it was just a fuse you were too slow to help me this time.
Expert:  sprinkles08 replied 2 years ago.
I'm glad you got it fixed!