1995 ski doo skandic 500 wiring problems.

Hi there i am new to the posting forum world but i hope i am doing this right? I have a 1995 Ski doo skandic 500 and i am having a hard time wiring up the headlight and tach. there is a new engine in the sled including a new stator. the stator has been rewired so i need to know how i can wire my lights up. i have a yellow wire and a yellow and black wire coming out of the stator any help is much appreciated thanks.