Pretty sure my gem is messed up in my 98 f150. Where is my best bet of finding the exact one I need? I have seen that I need to be careful to make sure I get the right one or it could mess things up quite a bit.... any help is greatly appreciated

 

I believe your gonna have to get the part # off the original GEM - a mirror and a good flash light while your upside down behind the inside fuse panel attatched to the back of fuse panel.