CD autochanger connector configuration - help please

obiwan · 26th February 2009, 19:20

I've recently purchased my ZT and knew that the CD autochanger didn't work when I bought the car, but upon closer inspection it appears that a previous owner has replaced the standard autochanger with another MG-Rover (Alpine?) autochanger with a different connector configuration. But rather than use an adapter, they have removed both connectors (from the CD changer side and the wiring loom side) and terminated each wire directly via a couple of block terminals.

The autochanger still doesn't work, and I assume this is because the autochanger unit is knackered, however I've no way of telling for sure because I don't know if it is wired up correctly (i.e. the wires are terminated correctly on the block terminals).

I was hoping to find a detail of the connector wiring so I could at least establish which coloured wire (from the wiring loom side) is supposed to connect to which coloured wire on the autochanger unit side. But I have searched through every single one of the connector details in my electronic workshop manual and can't find anything showing details of the CD autochanger connector!

Ideally I would like to upgrade to an mp3 autochanger anyway, so I don't see much point in re-installing the standard CD autochanger connector only to have to buy an adapter for the new autochanger anyway. I'd much prefer to choose a new autochanger, then fit the appropriate connector to the wires in the wiring loom.

So my questions are as follows. I'd be extremely grateful for some advice.

1. Does anyone have the detail of the standard CD autochanger connector (which coloured wires connect to which terminals in the connector)? My car is a 2004 ZT 260 with boot mounted autochanger and the TV/sat nav etc.

2. Does anyone know what each of the coloured wires in the wiring loom, where it connects to the autochanger, are for?

and

3. If I can obtain the answer to #2 above, will I just be able to take my car to a car audio specialist and say "this is what each wire is for, please fit a suitable connector to plug into an (for example) Alpine mp3 CD changer"??

Thanks heaps, this is doing my head in!

Ben

hans.schaaper · 26th February 2009, 20:41

I can only give you what I found in my car.
There are 7 wires total.
Four are audio, three are +12V, Ground and Ibus.

These are the color codes for the loom:
Audio Left + Pink/Black stripe
Audio Left - Black/Pink stripe
Audio Right + Yellow/Black stripe
Audio Right - Black/Yellow stripe
+12V BAT Purple/Pink stripe
Ground Black
Ibus White/Red /Yellow

An MP3 changer like Alpine CHA-S634 can NOT be connected directly.
It does require an 'intelligent' adapter.
Have a look here: http://www.intravention.co.uk/

Hans

obiwan · 27th February 2009, 20:43

Thanks very much Hans.

Are the wire colours and configuration you described exactly the same on both connectors (i.e. on both the CD changer side and the wiring loom side)?

Ben

obiwan · 28th February 2009, 12:42

Quote:

Originally Posted by hans.schaaper

I can only give you what I found in my car.
There are 7 wires total.
Four are audio, three are +12V, Ground and Ibus.

These are the color codes for the loom:
Audio Left + Pink/Black stripe
Audio Left - Black/Pink stripe
Audio Right + Yellow/Black stripe
Audio Right - Black/Yellow stripe
+12V BAT Purple/Pink stripe
Ground Black
Ibus White/Red /Yellow

An MP3 changer like Alpine CHA-S634 can NOT be connected directly.
It does require an 'intelligent' adapter.
Have a look here: http://www.intravention.co.uk/

Hans

I have just run a multimeter over my wiring loom and on my car the White/Red/Yellow is the permanent live wire. Is that unusual?

Greeners · 28th February 2009, 18:29

Quote:

Originally Posted by obiwan

I have just run a multimeter over my wiring loom and on my car the White/Red/Yellow is the permanent live wire. Is that unusual?

RED / WHITE with a dash of yellow is the K-Bus wire

hans.schaaper · 28th February 2009, 19:16

The Ibus is a high voltage(+12V or thereabout) when idle.
During bus activity it switches between high and low in rapid succession.
These variations are too fast for your multimeter to follow.

I am sure the CDC had a permanent +12V for the supply.

Do you have all the wire colors I gave you above?

Have a look here for a wiring diagram:
http://www.the75andztclub.co.uk/foru...4&d=1193576663

The original CDC is connected by means of a 10 pin connector.
On my Alpine CDC XQE105560 the colors are:
pin1 Right+ red
pin2 Right- green
pin5 Ibus brown
pin6 Left+ white
pin7 Left- blue
pin8 Ground black
pin10 +12V yellow

Hans

obiwan · 28th February 2009, 20:27

Thanks again to both of you.

Hans, based on your information my CDC was indeed wired up correctly. It was wired as follows:

Red/White/Yellow : Brown
Black/Yellow : Green
Yellow/Black : Red
Black/Pink : Blue
Pink/Black : White
Pink/Purple : Yellow
Black : Black

I take this to mean that either my CDC is broken or there is a problem with my wiring loom?

One other observation - with key out of the ignition, the only wire showing a reading on my volt meter is Red/White/Yellow (approx 11.3V). If Pink/Purple is the permanent live, shouldn't this also show a voltage? (Or does the K-Bus handle everything when engine/ignition/etc is switched off?)

I just ran a 12V source direct to yellow and black on the CDC and lo and behold, she fired into life and let me eject the CD cartridge...looks like it's not a faulty CDC.

I hope I haven't been incredibly stupid here and just missed a simple fuse??!!

hans.schaaper · 28th February 2009, 20:53

You haven't answered my question.
Do you have all the wire colors in the loom that I mentioned?

Hans

obiwan · 28th February 2009, 21:00

Quote:

Originally Posted by hans.schaaper

You haven't answered my question.

Yes I have:

Quote:

Originally Posted by obiwan

It was wired as follows:

Red/White/Yellow : Brown
Black/Yellow : Green
Yellow/Black : Red
Black/Pink : Blue
Pink/Black : White
Pink/Purple : Yellow
Black : Black

My loom wires stated first, on the left, and my CDC wires second, on the right. So yes, my loom has all the wire colours you mentioned in your first post, and my CDC has all the wire colours you mentioned in the subsequent post. And they were matched correctly at the terminals. Or am I missing something?

hans.schaaper · 28th February 2009, 21:10

Do you measure +12V between the Purple/Pink and the Black using your multimeter with the key in position 1 [accessories on]?

I presume not.

When you supply +12V externally [like you did], do you have sound from the CDC?

Hans

26th February 2009, 19:20	#1
obiwan Regular poster MG ZT 260 Mk II SE Join Date: Feb 2009 Location: Perth, Australia Posts: 56 Thanks: 0 Thanked 0 Times in 0 Posts	CD autochanger connector configuration - help please I've recently purchased my ZT and knew that the CD autochanger didn't work when I bought the car, but upon closer inspection it appears that a previous owner has replaced the standard autochanger with another MG-Rover (Alpine?) autochanger with a different connector configuration. But rather than use an adapter, they have removed both connectors (from the CD changer side and the wiring loom side) and terminated each wire directly via a couple of block terminals. The autochanger still doesn't work, and I assume this is because the autochanger unit is knackered, however I've no way of telling for sure because I don't know if it is wired up correctly (i.e. the wires are terminated correctly on the block terminals). I was hoping to find a detail of the connector wiring so I could at least establish which coloured wire (from the wiring loom side) is supposed to connect to which coloured wire on the autochanger unit side. But I have searched through every single one of the connector details in my electronic workshop manual and can't find anything showing details of the CD autochanger connector! Ideally I would like to upgrade to an mp3 autochanger anyway, so I don't see much point in re-installing the standard CD autochanger connector only to have to buy an adapter for the new autochanger anyway. I'd much prefer to choose a new autochanger, then fit the appropriate connector to the wires in the wiring loom. So my questions are as follows. I'd be extremely grateful for some advice. 1. Does anyone have the detail of the standard CD autochanger connector (which coloured wires connect to which terminals in the connector)? My car is a 2004 ZT 260 with boot mounted autochanger and the TV/sat nav etc. 2. Does anyone know what each of the coloured wires in the wiring loom, where it connects to the autochanger, are for? and 3. If I can obtain the answer to #2 above, will I just be able to take my car to a car audio specialist and say "this is what each wire is for, please fit a suitable connector to plug into an (for example) Alpine mp3 CD changer"?? Thanks heaps, this is doing my head in! Ben Last edited by obiwan; 26th February 2009 at 19:24..

28th February 2009, 20:27	#7
obiwan Regular poster MG ZT 260 Mk II SE Join Date: Feb 2009 Location: Perth, Australia Posts: 56 Thanks: 0 Thanked 0 Times in 0 Posts	Thanks again to both of you. Hans, based on your information my CDC was indeed wired up correctly. It was wired as follows: Red/White/Yellow : Brown Black/Yellow : Green Yellow/Black : Red Black/Pink : Blue Pink/Black : White Pink/Purple : Yellow Black : Black I take this to mean that either my CDC is broken or there is a problem with my wiring loom? One other observation - with key out of the ignition, the only wire showing a reading on my volt meter is Red/White/Yellow (approx 11.3V). If Pink/Purple is the permanent live, shouldn't this also show a voltage? (Or does the K-Bus handle everything when engine/ignition/etc is switched off?) I just ran a 12V source direct to yellow and black on the CDC and lo and behold, she fired into life and let me eject the CD cartridge...looks like it's not a faulty CDC. I hope I haven't been incredibly stupid here and just missed a simple fuse??!! Last edited by obiwan; 28th February 2009 at 20:30..

26th February 2009, 20:41	#2
hans.schaaper Avid contributor rover 75 2.5 V6 auto Join Date: Feb 2008 Location: Alkmaar Posts: 197 Thanks: 0 Thanked 3 Times in 3 Posts	I can only give you what I found in my car. There are 7 wires total. Four are audio, three are +12V, Ground and Ibus. These are the color codes for the loom: Audio Left + Pink/Black stripe Audio Left - Black/Pink stripe Audio Right + Yellow/Black stripe Audio Right - Black/Yellow stripe +12V BAT Purple/Pink stripe Ground Black Ibus White/Red /Yellow An MP3 changer like Alpine CHA-S634 can NOT be connected directly. It does require an 'intelligent' adapter. Have a look here: http://www.intravention.co.uk/ Hans

27th February 2009, 20:43	#3
obiwan Regular poster MG ZT 260 Mk II SE Join Date: Feb 2009 Location: Perth, Australia Posts: 56 Thanks: 0 Thanked 0 Times in 0 Posts	Thanks very much Hans. Are the wire colours and configuration you described exactly the same on both connectors (i.e. on both the CD changer side and the wiring loom side)? Ben

28th February 2009, 19:16	#6
hans.schaaper Avid contributor rover 75 2.5 V6 auto Join Date: Feb 2008 Location: Alkmaar Posts: 197 Thanks: 0 Thanked 3 Times in 3 Posts	The Ibus is a high voltage(+12V or thereabout) when idle. During bus activity it switches between high and low in rapid succession. These variations are too fast for your multimeter to follow. I am sure the CDC had a permanent +12V for the supply. Do you have all the wire colors I gave you above? Have a look here for a wiring diagram: http://www.the75andztclub.co.uk/foru...4&d=1193576663 The original CDC is connected by means of a 10 pin connector. On my Alpine CDC XQE105560 the colors are: pin1 Right+ red pin2 Right- green pin5 Ibus brown pin6 Left+ white pin7 Left- blue pin8 Ground black pin10 +12V yellow Hans

28th February 2009, 20:53	#8
hans.schaaper Avid contributor rover 75 2.5 V6 auto Join Date: Feb 2008 Location: Alkmaar Posts: 197 Thanks: 0 Thanked 3 Times in 3 Posts	You haven't answered my question. Do you have all the wire colors in the loom that I mentioned? Hans

28th February 2009, 21:10	#10
hans.schaaper Avid contributor rover 75 2.5 V6 auto Join Date: Feb 2008 Location: Alkmaar Posts: 197 Thanks: 0 Thanked 3 Times in 3 Posts	Do you measure +12V between the Purple/Pink and the Black using your multimeter with the key in position 1 [accessories on]? I presume not. When you supply +12V externally [like you did], do you have sound from the CDC? Hans