Hi Ira,
Thanks for your input. I trailed RI back home from the
airfield so I can work on her in comfort :-) . hopefully I will be able
to sort the problem.
Cheers Danny. G- c.e.r.i.
On 15/09/2015 18:47, rampil wrote:
>
> It is nearly impossible to remotely diagnose this problem without wiring
> diagrams,
photos of the install, etc. Generically, grounding is a possibility.
>
> So, did you check all the resistance values of ground pins on the radio
> and the case all the way back to the engine block or negative battery
> terminal with a quality ohm meter? All should certainly be less than 0.5
> ohms. Generically, there should be no ground loops, all grounds go to
> a single point in the panel, then to the other side of the firewall.
>
> Good luck!
>
> --------
> Ira N224XS
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=447092#447092
>
>
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