going from 100 amp alternator to 140 amp

[k30]

Hi I put a mnute mount plow on my trk and I want to up grade the alternator for more amps.I have a 97 k3500 5.7 liter.I got the longer sepintine belt and the 140 amp alternator.My question is my trks 100 amp alternator has a roundish plug and 1 wire.The 140 amp has a rectangular connector and 3 wires.So can I and how do I wire it.Thanks

 

[boise k5]

There is a great thread on this subject already started, I tried to link it but I dont have a high enough post count for it to let me. Do a quick search for "Alternator Upgrades" and you will find it.

 

[k30]

Yea I would of done a search before posting this thread,But I'm also a newbie and I don't believe they'll let me do a search.Thanks for the reply