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Old 10-13-2010, 02:59 PM   #1
JusAnotherTran
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Reversed battery polarity

Okay, so let's start off by saying I'm a dumbass for working with electrics at night with a small lamp in the garage, mosquitoes tearing my skin apart, and on top of that, trying to keep an eye on the 2 year old in the room next to the garage I was working on.

Scenario: I bought a track bike with all the street legals and such GONE. Meaning the battery tray that had tabs connected to it for the passenger seat was cut. So, with that being said, I went ahead an bought a salvaged piece to replace it.

Replacing it requires me to remove the battery, and disconnect the wires. So that was what I did, and after getting the "new" battery tray in, I reconnected all the wires and.. *drumroll* connected the terminals in the reverse order. Neg to Pos and Pos to Neg. Yay.

Here's what happened for those of you who are going to ask: No sparks came up (weird). I tried to turn the key to see if I connected all the wires correctly. Nothing comes up on the tach/speedo and no lights came up. None of the electrics came up. Powercommander stayed off also. When I say nothing, I mean nothing.

Here's what I did after I realized my dumb-assedness: Check the fuses, two fuses were blown/fried. Main 30 and 20 near the battery was fried. Replaced them with spares. All the fuses in the fusebox were fine. Checked the harness to see if any thing was smoky/fried/melted. Nothing was. Even pulled out the ECU. Then I rewired everything and connected the battery THE RIGHT WAY this time and still the same results.

So my thoughts are that there are 3 possibilities; 1. the battery is bad, and I already have one shipped. Should be here tomorrow. 2. If it's not the battery, it has to be the wiring harness (although I did not find any fried wiring or melted wiring). 3. The ECU.

Oh, and also only thing I didn't check is the stator. It was too tough to remove the cover with the tools I have. Rectifier seems okay. No melted wires/smoky smells. I didn't look too much into these two YET because the fuse blew, meaning the circuit was cut off (correct me if I'm wrong), so it couldn't have melted the stator or rectifier.

If the battery doesn't work, only thing I could really think of is if I had rewired it back wrong, and I might be missing something, but I'm such a noob at this I can't tell. I tried to look at the wiring diagram and such, but the track bike came with so many missing wires and parts, I can't tell if I forgot to connect anything.

If anyone has knowledge on electrical issues and want to come over, I'll pay with beer for time compensation and if you even have a 05-06 CBR600RR that you will let me open up to compare and contrast the wiring, it would be even BETTER. Thanks.. oh and..
Thoughts?

Cliffnotes: dumbassedness, reversed battery polarity, fuses blown, replaced, none of the electrics still won't turn on, help!!
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Old 10-13-2010, 03:07 PM   #2
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bring it by my place and ill help u fix it, if it takes time then just toss me alittle $ up to your discretion..... theres my offer. im in spring


there are way to many variables as to what it could be for anyone to help u over the net, it would be hit or miss, for instance i helped a guy on hear a few weeks ago on his bike and it has several other issues that caused his issue in the first place(wireing issues) and a component that was bad from it.... took a few hours to diagnose and repair...
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Last edited by camaroz2866; 10-13-2010 at 03:09 PM. Reason: edit
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Old 10-13-2010, 03:57 PM   #3
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that sucks. I did that one time on a really old bmw. Went to autozone and they gave me a battery with the poles on the other side of the battery. I basically put it in backwards and the alternator fried. I felt pretty stupid.
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Old 10-13-2010, 05:40 PM   #4
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I'm still kind of new to bikes, so when you say alternator, on a bike it's a stator, right? That son of a mitch is hard as to take off.. I need some power tools to check it.
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Old 10-13-2010, 05:43 PM   #5
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No not a bike it was actually a 3 series.
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Old 10-13-2010, 05:45 PM   #6
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ah, gotcha. Could there be the possibility of the stator being fried? Does the stator even have anything to do with the bike at least turning on? I thought that the stator was a battery recharging system.. I'm so confused.
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Old 10-13-2010, 06:51 PM   #7
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Just check your fuses first. Then make sure your battery is good, it's charged and try to start the bike.
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Old 10-13-2010, 07:06 PM   #8
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Quote:
Originally Posted by hotcknstrips View Post
Just check your fuses first. Then make sure your battery is good, it's charged and try to start the bike.
I'm guessing you didn't read the whole thing, I wouldn't either haha its long. I did replace the fuses with the spares that came in the pockets of the fuse boxes. I couldn't check the battery because I don't have the tools to.. and autozone tells me that they can't check it because its different from car batteries, but they said they "charged" it for me.

So that leaves me with the fact that I might have rewired the wires back together WRONG which is not possible being that it's so easy, but then again I was also the dumbass to connect the terminals the wrong way. OR the wiring harness might be fried, but I can't find any signs of it..
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Old 10-13-2010, 07:32 PM   #9
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hook up jumper cables to your vehicle with your vehicle OFF. If bike powers its your battery, if not then you have another issue.
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Old 10-13-2010, 08:41 PM   #10
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Just tried it, no power. So I'm guessing its something else. Oh .. this is so fun..
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Old 10-13-2010, 08:53 PM   #11
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I'm agreeing with the fuse idea.
Keep looking, sometimes they are not all in the fuse box.
Also, check the ground cable from the battery where it connects to the frame. Make sure there is a good connection.

Seriously, to troubleshoot electrical problems it's probably going to take a voltmeter and some time.
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Old 10-13-2010, 09:20 PM   #12
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haha my dumbassedness continues, I put the starter relay cables in backwards TOO! Jake (camaroz2866) Was kind enough to help me and we got it running again. Thanks so much guys.! /close thread.
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Old 10-18-2010, 02:46 PM   #13
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close thread please so i can leave feedbacks!!
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Old 10-18-2010, 02:52 PM   #14
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at top of the page in your thread it says " thread tools" and when u click it it will say close thread. click perform action
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Old 10-18-2010, 03:00 PM   #15
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Glad you got it figured out!
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Old 10-18-2010, 05:02 PM   #16
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It won't let me. The four options that do pop up when I click on "thread tools" are..
Open Poll, print, email, and subscribe.
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Old 10-18-2010, 05:05 PM   #17
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Under thread tools, it should say "moderation tools" and have "close thread" selected. Hit the "perform action" button
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Old 10-18-2010, 05:09 PM   #18
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Old 10-18-2010, 05:31 PM   #19
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Only in classifieds can you close your own
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