I have a cobra 29lx with pt v mod kits which allows me to set the dead key the radio works flawlessly but on the volvos the antenna mounts on the mirror and I have a Wilson 5000 channel 1 and 40 are Reading 2.5 swr I tried lowering it and still same story do you guys think if Its the ground in the mirror should I run my own caux and mount it on my own mount?? Will it help thanks in Advance