It is to reduce radio static for AM reception.  Just swap it from your
old alternator.

Ken Wilford
John 3:16
www.vanagain.com

Gary Goldey wrote:

>I just pulled the alternator out after a week of running with the red dummy
>lites on---(I had 2 of the manufacturers screws fall out of the old one)----The
>quick question is
>1:WHAT is the little 1 inch square thing on the back with the wire coming
>out-a condensor?--
>2: Why isn't it on my new alternator? and
>3: Should I get a new one or just switch out the old part?
>
>Thanks----G.
>
>
><A HREF="http://dieselslave.tripod.com">DIESELSLAVE'S HOMEPAGE</A>
>
><A HREF="http://user.auctions.shopping.yahoo.com/user/clonestar7?">YAHOO AUCTIONS</A>
>
><A HREF="http://members.ebay.com/aboutme/dieselslave">EBAY AUCTIONS</A>
>
>
>