You Have To Open The Complete Front Panel....If You Don't Know How You Do It....You Better Ask Any Expert DO It For You Because You Can Damage Some Parts Which Maybe Difficult To Find Later
Cables are Attached To Evap Coil Box Which Need To Be Open Also....So In That Case You Might Need A Whole A/C Evaporator Out Also...Not Sure But Its Possible
So Better Get The Job Done...We Can't Guide You Enough From Forums...