All Things Mk5 > Sat Nav and Car Audio

Radio interference!!

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SteveP:
Jay the camera power cable run down the other side to the aerial, so I doubt that's the problem, but you can try disconnecting the fuse piggy back link to see if that makes any difference.

Have you tried swapping the aerial inputs around on the back of the RNS?

JPC:
Yep tried swapping those. So the aerial runs down the passenger side? Never known where it is. I think I might put an amplified bee sting aerial behind the headliner. That still does explain the interference! I left the car in the unit tonight in bits ready for another assault tomorrow evening after detailing.

mortygttdi:
Jay have you checked to see if there is any damage to the little brass pins inside the antenna plugs on the RNS? 

The antenna 2 is the deversity connection so there is a break on that...usually around the connection to the RNS so make sure all the connections are good? If you have vcds go onto the adv measuring blocks and watch the antenna 2 connection while your messing with the leads. Its live data so will switch between OK and short to ground on an open connection.

Good luck mate

Darren :happy2:

JPC:
brass pins checked.

thanks for the adv measuring blocks.

I had a look at that, and it showed antenna 2 having no signal whatso ever.

So, i was wondering if i had the wrong shark aerial. i think i have the phone aerial one. anyways, ive been to the breakers, got an old standard aerial base.

with the new base connected witth a whip aerial, the signal shot up.

Antenna 1 (rear window) strength was about = 75-80
antenna 2 (whip style aerial) dangling in boot = 90-95

I left the shark fin on the roof disconnected, i slimmed down the old aerial base and put it under the headlining with the whip screwed in. i also wrapped this is foam.

the signal then went down to 65-70. I have used it around town and my signal seems perfect.

I was thinking if it needed a boost i could install an amplifier, but looking in the aerial base, it looks as though there is already any amp in there??

there is plenty of circuitry etc? is that an amp in there?

mortygttdi:
The shark fin that I have taken off the car had all sorts in it DAB, GPS, Radio and Phone that one was from the A4 I now have the later type shark fin/whip antenna and has radio on it but I've not connected it up.

I would say the radio antenna has the amp inside it for later cars.

Darren

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