I've been reading a lot of threads about CB radio RF problems. Common threads they share, stray RF and grounding issues.
There are a lot of ham radio websites that have information on fixing these problems. There is vast experence to be tapped.

About the best site for mobile radio is...
http://www.k0bg.com/

Alan covers it all and explains it in a way that makes sense. He starts with Alternators & Batteries explaining what is really going on with automobile power plants.

One of the things discussed is sanding the paint off, DON'T DO IT!
See his article on Bonding.

I think you will find it a good read

 

X2 I have been reading that web site top to bottom in preparation for a HF install on my JK. There is a TON of info and all of it good.

 

good info, thanks for posting !! 73 Mike

 

Yes.......been reading Alan's articles for years. He is a great HAM and the "guru" of mobile coms.