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WakeWorld Discussion Board » >> Boats, Accessories & Tow Vehicles Archive » Archive through March 18, 2009 » stupid move = fried alternator. help please « Previous Next »
By Clint Rice (ttuclint) on Sunday, June 15, 2008 - 4:27 pm:    Edit Post Delete Post
need some help, not paying attention this morning I hooked up my battery wrong for about 3 seconds. Everything seems to be fine after putting it in the water for a few minutes except for the alternator, pretty sure it is done for.

Is there anything else I need to check and I saw that many were suggesting db electrical alts. Does anyone know which one I would need for a 96 VLX ?

 
By Clint Rice (ttuclint) on Sunday, June 15, 2008 - 9:02 pm:    Edit Post Delete Post
or after searching a bit more, is there some sort of fuse before the alternator that I fried ?
 
By Team Neptunes (audiopro74) on Sunday, June 15, 2008 - 9:20 pm:    Edit Post Delete Post
There may be a fusible link on the main lead coming off the alt. Also check the main circut breaker, generally located on the motor, just above the trani.
 
By Stephen Higgins (srh00z) on Sunday, June 15, 2008 - 9:44 pm:    Edit Post Delete Post
I had an alternator fried the same way. I had it rebuilt at an alternator shop and never had anymore problems with it.
 
By Art (rallyart) on Sunday, June 15, 2008 - 11:11 pm:    Edit Post Delete Post
My guess would be that you fried a diode in the alternator. A rebuild would fix it, and probably not be too expensive. (I did this when I let someone else connect the cables on their car while I was giving them a boost)
 
By George Aslinger (mobv) on Monday, June 16, 2008 - 3:52 am:    Edit Post Delete Post
Reverse polarity almost always blows diode's as Art said. It can be repaired at any alternator repair shop. That is usually much cheaper than a new one, especially a marine. Reverse polarity will not hurt fuses or circut breakers.
 
By Clint Rice (ttuclint) on Monday, June 16, 2008 - 11:05 am:    Edit Post Delete Post
well does anyone happen to know what alternator I have on a 1996 VLX ?
 
By Clint Rice (ttuclint) on Monday, June 16, 2008 - 8:20 pm:    Edit Post Delete Post
ok so I pulled it out this afternoon and was this alt in the first two pics.

http://www.madelectrical.com/electricaltech/delcoremy.shtml

I am assuming this was not the original as it doesn't look like a marine alt. and it seemed to be a rebuild.

I ordered this to replace.

http://tinyurl.com/48sv7u


Also it looked like originally there was a 3 wire alt. so it was only using a tiny orange wire to connect somewhere to the battery (I couldn't see where it went) and the other two wires were just hanging there (purple and black).

I will definitely be adding a new wire from the alt. to the battery. I am assuming an 8 guage wire would be fine for this ? And do I still need to connect the orange wire back for it to work correctly ?



(Message edited by ttuclint on June 16, 2008)

 
By Robb Davis (boarder_x) on Monday, June 16, 2008 - 8:26 pm:    Edit Post Delete Post
Clint someone that knows more than me will probably respond, but you are going to want more than 8 gauge. You are putting 105A through it. 8 gauge is ok for 60A amplifiers, but you will want something bigger. Also, it will probably be a long run. Thinking 1/0 or even 00. The bigger the wire, the less resistance, the cooler it will be. The less complications you will have.
 
By Clint Rice (ttuclint) on Monday, June 16, 2008 - 8:35 pm:    Edit Post Delete Post
Well I know that right now it is only maybe a 16 gauge wire or smaller coming off the alt. what that connects to I have no idea, kind of scary i know.

It will only require a 4 or 5 foot cable as my battery is in the back.

I will eventually put in an isolater and a dual batt setup so maybe I do need to go ahead and run something good and thick.
I actually have some spare 4AWG from a car install that I could use.


(Message edited by ttuclint on June 16, 2008)

 
By Clint Rice (ttuclint) on Tuesday, June 17, 2008 - 1:42 pm:    Edit Post Delete Post
ok someone throw me a friggin bone here.

(Message edited by ttuclint on June 17, 2008)

 

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