fcancer

Does The ballasts emit a frequency that impairs FM reception.
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https://www.f150forum.com/f38/bad-ra...-ideas-244109/

fcancer

Problem sloved,,,
yes it does

MGD

The cheap crappola Chinglish PnP one do ( e.g DDM, etc)

The high quality units typically found from a good retrofit supplier do not. Neither do the OEM ballasts ( e.g. Denso).

MGD

fcancer

Morimoto 5Five HO ballasts ,,,SVS bulbs from TRS

Lights on = no reception
lights off=crystal clear
Is there a fix for this

MGD

Hi.

You bet.

You have a faulty ballast. Isolate which one ( by disconnecting one at a time ).

Contact TRS for a replacement.

Other possible causes - bad harness, poor grounding.

Good luck!

MGD

fcancer

disconnected each and didn't notice any difference
grounding is good
don't know how to check for a bad harness?
Ill call TRS today to see what they have to say

Azuri

I have 5Five ballasts previously SS and now DSP ballasts and have no interferance on both AM or FM frequency I suggest checking out HIDplanet forums too. I've seen a few reports of this issue so they may have the answered it over there. As you said TRS should be able to isolate the issue too.

Feathermerchant

fcancer - Did you disconnect the light or the ballast? You must disconnect the ballast from your truck wiring.

fcancer

ballast
I did talk to TRS and they said
either the wiring harness is to close to the antenna( I can't see that being the case ,because we all have it in the same spot )
or
move the ground to a different spot.
I'll give that a shot

benchwarmer4203

Did you tie into a factory ground or make your own?