Amp no sound ONLY once EML goes out...

Misterireland

Member
 East Anglia
Ok, so E85 z4 3.0i manual.

Has all the mod cons, sat nav, radio, phone connectivity, cd multi changer and also has a parrot blue tooth phone system installed.

Put key in ignition to accessories or just prior to starting and all the services play via the amp exactly as designed.

Start the car, and audio will continue but always cuts out once the EML light goes out on the dash.

All the various items, radio, sat nav, cd etc keep powered and are usable, but no audio (as if the power to the amp has been cut)

Kill the engine and the audio cuts back in...

Very occasionally a bump or tuning the steering on the spot can get a brief blip of sound (which is even more annoying... As that points to a loose connection possibly? OR... Is there a solenoid that could be faulty?

Note: I have seen many posts on faulty amp, pairing of amp, faulty ignition. None seem to match this exact issue. Prior to starting the engine the amp is running everything without fault (and sounds great!). Ignition operates start up, keys retain memory and so on.

Any light you can shine on this would be most welcome. May be delays in responding sometimes because of work.
 
Ok, does anyone know

1) the power circuit for the amp, I.e. What's the difference between the routing using aux position of key and start/on position

2) can someone tell me the expected reading from the battery when sat, and with the engine running (charging)

3) can someone tell me the colour of the wires from positive and negative for the amp?

4) what should the amp be receiving power wise (is it 12v or altered pre the amp power feed?
 
Just something to try, remove fuse to the parrot kit or unplug it as thats the non standard item, foes the parrot kit work when in accessories pos or only when started
 
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