From: (Telstar*Electronics)
On Feb 8, 6:14 pm, (I AmnotGeorgeBush) wrote:
Unplug the coax. If the noise goes away it's your antenna, but this
problem is a bit notorious of Ford trucks. Sometimes replacing the pump
works, sometimes it doesn't. There are various methods used to fix this
problem and just as many opinions. Sometimes inline filters work. There
have been aftermarket pumps installed meeting with some success.

If you unplug the antenna... and the noise

goes away... that doesn't

mean it's the antenna that's causing your

problem!

www.telstar-electronics.com

It damn sure means the source of noise is coming through the antenna or
coax feedline and eliminates the fuel pump as the source of the noise.