FAO Anyone who has changed the Standard headunit

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jon.od

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How does the unit work I.e have you managed to find a switchable live that turns the unit on & off with the ignition. As i cannot seem to find a 12V switchable wire on the iso plug of the car. The only wire that switches is the K Bus from 4v-12V, But when a load is placed on it it returns to 4v.

below is a list of the plugs i have one for the A2 and the second for a the pioneer headunit i intend on fitting.

A2 GROUND blank blank DWA GND
BATTERY blank K BUS BOSE

Normal ISO GROUND ILL BATTERY blank
SWITCH REMOTE blank blank

Any advice on where you obtained switchable lives from much appreciated.

The second dilemma i am facing is that of radio reception i unhooked the larger of the two connectors on the rear of the unit but this does not appear to provide a radio signal. I know from days of old the smaller one is suopposed to be for the sat nav aerial but as i don`t have this option , could it be the radio?

Any help greatfully accepted.

Cheers Jon
 
All A2's built from 2001 onwards have the sat nav ariel built into the rear window as standard.

I know becuse I had 2 have a new rear window installed after it was broken and the Audi garage told be about the sat nav ariel.

[2002] | 1.4 | azure blue | 2 tone leather | concert II single cd.
Member of A2OC site.
http://www.audi-a2.co.uk/uk12.htm
 
In order too fit any radio/sat-nav(non VW/Audi) to a A2 You need a canbus adapter, as all A2 electrics work a umpulse system. basicly all the systems have chips which are triggered by a impulse, ie; the drivers door with central locking,electric windows,front rear,eletric mirrors,heated Only has four wires live, earth, pulse-in, pulse-out, which saves on weight (no big wire looms) Ask Your Local A2 Dealer To Give Name/Phone No: of the person who does there Radio/Sat-Nav[21]
 
Thank You people i have almost remedy the problem just need the aerial adapterbut none of trhe suppliers are open until monday
 
have managed to muddle my way through sorted out a switchable live & illumination wire.

Th etricky one was the radio it emerges you need a amplified antenna iso adaptor, basically the aerial is amplied and as a result require a live to be sent to it this is done with an autoleads device. PC5-52
 
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