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 Post subject: USB type cell phone charger causes radio static both AM & FM
PostPosted: Sat Jul 11, 2020 1:50 pm 
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My KJ is an 2006 CRD. When I use either one of my two USB power port chargers to charge up my cell phone, I get a lot of static on both AM & FM. Unplug either one and the static goes away. Both are made in China. Is there a good cell phone charger that works with a USB "C" type phone that does not produce static?

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 Post subject: Re: USB type cell phone charger causes radio static both AM
PostPosted: Sat Jul 11, 2020 2:01 pm 
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warp2diesel wrote:
My KJ is an 2006 CRD. When I use either one of my two USB power port chargers to charge up my cell phone, I get a lot of static on both AM & FM. Unplug either one and the static goes away. Both are made in China. Is there a good cell phone charger that works with a USB "C" type phone that does not produce static?


Weird - I'm using one of Shenzen's Finest USB-C dual-port chargers (it lives permanently in the lighter socket) and have never had an issue like the one you're describing. Does the static go away with all cables unplugged from the charger, or is it there regardless of whether or not anything is connected to it?

It sounds to me like a possible antenna ground issue, but, before digging into the KJ's wiring, let me suggest trying the following: use a different USB-C cable, and charge a different phone (or device) with both it and the original one. That should isolate whether or not it's an issue with the charger, cable, phone, or combination of the above.

Also, is your stereo OEM or aftermarket?

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 Post subject: Re: USB type cell phone charger causes radio static both AM
PostPosted: Sat Jul 11, 2020 2:06 pm 
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Joined: Sat Jun 09, 2007 10:49 pm
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Location: Aurora, IL
Both my 12 V USB Power port chargers make radio noise with or without the phone connected. I suspect because both are Made in China, they are second rate. I want to find a good brand to buy that works.

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2006 Pearl Green CRD
Magnaflow 2 1/2" Cat Back
KJ Extra Leg Room Brackets, Carter Lift Pump, V6 Airbox, ORM
Fuel cooler, Oil Separator, Progard 7
Gauges EGT Boost Trans Temp Oil Pres, Michelin LXT AT2 245 70 R16
7,000# Draw Tight hitch, PML EX Deep Trans Pan
Centrifuge, SunCoast, Transgo, RAM TCM, InMotion Stage 2
Wife's 99 TDI VW Beetle


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