i just installed dp tuner in my 1997 f 350 and i now get teribble radio reception i have tried every thing from wraping the tuner wire in tin foil and wire and grounding it to installing a ferrite /choke on the end of the cable and still no reception i have a pioneer stero in it any body have any ideas? would a antenna amplifier or filter help?

 

Have you contacted DP yet ?...

 

did you wire a ground in anywhere that shares a ground with the stereo or a 12v wire by chance? doing that can cause a interference problem. or also if your rca cables (if you have an amps/speakers) or speaker wires cross any paths with any wiring to your programmer wires

 

I'm on my phone, so I can't run a search on this, but try researching Moates chip radio interference. The chips DP-Tuner uses comes from Moates. I have seen issues floating around here and there about Moates chips having radio interference issues, so maybe you'll come across something by searching that. I will search it when I get on my laptop at home too.

 

ya i contacted them they said to check the radio ground and install a ferrriet on the end of the tuner cable i did both of these things and still no reception so im stumped

 

Any chance the antenna cable got unplugged somehow in the process of installing the tuner?

 

i used the stock ford wiring foe the radio and the tuner justs plugs into to the pcm and i have no amps so i dont think i did but may b

 

thanks for the info and i apreciate u looking 4 me if u have time ive been chasin this problem for almost a week now

 

If you unplug the DP tuner does your radio work again?

 

Which chip and switcher do you have?

 

ya if i unplug the dp or put the truck in acc the radio is fine

 

i have a f5 dp tuner with a dash mount

 

Rotary or EX switch?

 

Ok so you have RFI with the chip plugged in, but in ACC or chip unplugged there is no RFI...

I have to wonder if a ferrite bead on the chip cable would help, but I would start by contacting DP-Tuner and ask them how to eliminate the problem. They may just send you a different chip and switch to try out. If it still does it you may need to try checking grounds for your radio and maybe try a ferrite bead on the chip cable. If it still does it after all that, I'd just sell the DP-Tuner and switch to a tuner that uses TS style chips.

This issue has been associated with Moates chips/cables/switches for quite some time. Some people have no problems, some people do have problems. Whether it's a chip issue or vehicle issue, I'm not sure, but switching to a TS style chip will eliminate the problem.

EDIT: just saw you've already tried foil wrapping and a ferrite bead.... My bad.

 

ok thanks for the info