View Full Version : Radio plus sat nav equals.....
LM020
24th July 2011, 05:38 PM
Static.....
Anybody else having a problem with their defenders radio stations getting signal when a sat nav is plugged in to the cig lighter?
Craig
26th July 2011, 03:10 PM
I have had it on the FM band only, and only when...
a. I was in an area of low signal strength and
b. I was using one of those el-cheapo cig plug/USB adaptors.
other adaptors have been fine, and no problems when close to town.
Hope this helps
Craig
jik22
26th July 2011, 04:04 PM
It's probably the cheap & nasty switch mode power supply inside the cigarette lighter plug causing the interference. I've seen it with cheap mobile phone chargers and USB adapters too.
LM020
27th July 2011, 07:17 PM
Cheers guys, any ideas on how to fix it?
jik22
27th July 2011, 07:50 PM
Cheers guys, any ideas on how to fix it?
I've had some sucess with mobile chargers by wrapping the power lead round a ferrite bead.
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