Re: AM Radio Static

[derf <derf247@gmail.com>]

Isolation transformers work on AC but a similar device a DC-to-DC converter
could work on a car.  But, your problem is probably RF (radio frequency)
noise from your ignition wires.
If you switch to other ignition wires and still have a problem, then maybe
look to a DC-DC converter.  Radio Shack had them in the past.  They can be
used to install Neg ground radios in Pos ground cars, too.