Omega Owners Forum

Omega Help Area => Omega Electrical and Audio Help => Topic started by: coastie123 on 18 April 2010, 16:11:29

Title: Electrical interference...
Post by: coastie123 on 18 April 2010, 16:11:29
Hi again!!

I hope this is in the correct section..

I have just fitted a VHF Marine radio in my car as I belong to the local lifeboat but I have come across electrical interference on one of the channels.. Although this frequency is prone to inteference it only happens when the ignition is turned on...

What will I need to stop this interference?? Does te altenator need somethig to stop this???
Title: Re: Electrical interference...
Post by: Dave DND on 18 April 2010, 17:02:27
Quote
Hi again!!

I hope this is in the correct section..

I have just fitted a VHF Marine radio in my car as I belong to the local lifeboat but I have come across electrical interference on one of the channels.. Although this frequency is prone to inteference it only happens when the ignition is turned on...

What will I need to stop this interference?? Does te altenator need somethig to stop this???

What sort of interference?

Does the pitch rise and fall with the engine revs, if so, look to alternator / pumps etc

or does the interference stay at the same pitch but gets faster and slower with engine revs, if so look to ignition coils etc.

Or does the interference alter with road speed - in which case exhaust or bonnet earth strap may be required.

Where have you taken the earth and live supply from for the radio, and where and what type of aerial do you have fitted?
Title: Re: Electrical interference...
Post by: coastie123 on 18 April 2010, 17:16:08
Hi dave

it's an icom m59, using a mini magmount at the moment but will be changing to fixed aerial within the next month... There is no change in pitch at all and I'm using a wire 12v male connector for cig lighter as hbent had time to hard wire it..

I have also checked the interference with a handheld radio in
my car and also interfers with that aswell.

I've also tested the radios in my other halfs car and there is
no interference at all...

Where abouts in Paignton are you?? I may be able to pop down at somepoint if needed
Title: Re: Electrical interference...
Post by: Dave DND on 18 April 2010, 19:39:36
Quote
Hi dave

it's an icom m59, using a mini magmount at the moment but will be changing to fixed aerial within the next month... There is no change in pitch at all and I'm using a wire 12v male connector for cig lighter as hbent had time to hard wire it..

I have also checked the interference with a handheld radio in
my car and also interfers with that aswell.

I've also tested the radios in my other halfs car and there is
no interference at all...

Where abouts in Paignton are you?? I may be able to pop down at somepoint if needed

Give me a ring in the morning, and lets see what we can do  01803-391680