Crazy high SWR

I know that this thread is older than dirt, but I’ve been struggling with high SWR for several days now on this international and I read this thread where it says grab the base of the antenna and if it goes down it’s a grounding problem and that’s exactly what is happening with me. My SWR’s go all the way down to 1.2 when I grab the antenna base with my hand. Does anybody know what I can do to make a better ground on this mirror mount? It’s a 2007 Pro Star

 

I took a braided ground strap from antenna bracket to a self tapping screw and a braided ground strap from the door to the door frame/hinges frame. My radios are powered directly from the batteries with inline fuses.

 

Yeah, I just about lost my religion fooling with this danged thing, but I had systematically replaced every item one by one. I started with the antenna mounting bracket, then the antenna itself and the coax.

I had it reduced to just a bare minimum basic setup, and still had crazy high swr. I was to the point of “just how bad do I want a radio in my rig anyway”.

Shortly after I replied here, I called our shop mechanic and he verified it’s been an issue, and he parroted what you said,,,,,,, run a ground wire from the mirror to the hinge and all will be well.

I plan on doing this after Thanksgiving. Happy turkey day to all you guys and hope to see you in dx land