I have a 1996 GMC pickup.
Keenwood 450S radio.
MFJ Screwdriver Mounted behind the cab, 4ft coax, 4 ft control cable to the controler ran in a diferent route than the coax.
Power to the radio is run via # 10 flex conduit grounded at the battery with 1/2 braid 10'' long, through AN inductor made of # 10 wire 20' long, and conected direct to battery with power wir 6' long.
All doors,hood hinges,Tail pie 3 spots Are all grounded with 1/2'' braid crimped and solidered.
All this no help the noise is still so bad the radio is useliss while enjine is running.
Works great with out enjine.
HELP HELP HELP?