johnecashflo said:finally..wow i thought it was just me..thanks for all the help guys..tried a 1 in braided wire ant bracket to chasis..wilson 2000 or 5000 tried both.. chokes on any wire involved with fuel flow (fuel feed- fuel pump)..still have the awful noise...p.s. as an after thought mack installed some kind of box under the dash to catch the noise so you can hear A.M. radio channels without as much noise ,it is still there just not as bad as the noise in my c.b radio thanks again for all the help
I think I would ask the guys at MACK what that "box" is . Please let us know , you have my curiosity up. There is nothing more aggravatiing than a noise problem. In the past i have used a mag-mount Wilson 1000 with some good results but, I have never tried it on a MACK Granite....