S2000 Under The Hood S2000 Technical and Mechanical discussions.

car wont power on with new battery?

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Old 05-14-2008, 05:21 PM
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Default car wont power on with new battery?

the battery i had was dead so i tried to jump it and the horn kept coming on! so my friend took out the horn relay and tried to jump again but no power at all... so i went out and bought a new battery and still wont power on no lights no nothing..... i checked all the fuses but everything seems to be fine... no corrosion or anything... anyone have any ideas?
Old 05-14-2008, 05:29 PM
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theres a plastic thing that is wrapped around the ground terminal. maybe you forgot to pull it off before attaching the ground cable??
Old 05-14-2008, 06:17 PM
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No i took the positive red cap off when i put it on.
Old 05-14-2008, 06:55 PM
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It's embarrassing...but I've had the EXACT same thing happen. The poles were reversed. You put the neg to pos.

The main fuse is blown. You will need to replace it and hope nothing was fried.

BTW...I think they set up the horn to blow when that happens as a clue that you've done something wrong.
Old 05-14-2008, 07:34 PM
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what main fuse is blown? how much is the main fuse?
Old 05-14-2008, 07:38 PM
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The big one in the under hood fuse box that says 100A
Old 05-14-2008, 07:44 PM
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if the 100a fuse is blow.. the horn would not work.. but your lights dont work.. so you might have blown a fuse..
the horn deal sounds like you have an alarm installed. if it is factory or aftermarket..
this is what you should do... reinstall horn relay.. hook the battery back up.. let it beep.. hit disarm on your remote and it should disable the horn/alarm. now you can start the car
the alarm has a starter kill ..
Old 05-14-2008, 08:00 PM
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I already have my the horn relay in but i dont get any power whatsoever not even lights... with the new battery..... I dont know what it could be?everything seems fine only have 20 thousand miles i have no corrosion ...
Old 05-15-2008, 04:22 AM
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Originally Posted by phillys2k,May 14 2008, 11:00 PM
I dont know what it could be?
Slows2k and I told you what it is. Read more if you don't believe us. We've been answering these questions for 7yrs now...

https://www.s2ki.com/forums/index.php?showtopic=563885

https://www.s2ki.com/forums/index.php?showtopic=455332

Check the fuses in the fuse box next to the battery.
Old 05-15-2008, 05:55 AM
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thanks negcamber i believe im goign to double check them again when i get home from work


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