I have had a xforce 200hd for a yr now andits been working great I run it with a stryker 440 as with what I read in the instructions I have it set for 7watts to drive the xfore but after a yr of use I have had a hard time latly with it "clicking on and off rapidly" when keyed I have narowed it down to the relay does anyne have any more information on this so I can stop it fron hppening again :headbang