tombobo
New Member
Hi guys
I've had my 96 R129 for about 6 months and now the weather is starting to improve I'm starting to do some jobs which have been on my list of things to do since I got it...
First of all, I appreciate that there are a lot of topics on this. I have done a lot of reading through past posts but can't quite get the answers I want...
The car had an alpine head unit and multi stack changer in it which I have now taken out. I've bought an audio 30 head unit and mc3198 cd changer which is slightly newer than should be in the car but I think is a good compromise for the looks and has sat nav functionality.
After a lot of pulling of the alpine wiring harness I found the original Mercedes wiring harness. This has plugged straight into the audio 30 which powers up and works with no issues. However, there are a couple of questions about it I'm hoping someone can help with...
There's one cable remaining from the alpine harness which doesn't go into the Mercedes one at all and goes straight into the centre console. This is labelled as "audio interrupt in lead"... is this something that should go into the Mercedes harness and if not, any suggestions for what to do with it? The cable is thicker than the MB wiring so I assume it's an aftermarket addition?
Additionally, the Mercedes harness appears to have had one cable cut and then jointed to another. A photo is attached but not very clear. Is there any reason this would have been done? Can someone provide the connector wiring diagram to assist?
Harness aside, the next question is about what wiring would have originally been in the car for a cd changer? There is one cable which looks to be a fibre cable but is a different fit to the mc3198 fibre connection. Was there a previous cd changer which used this type of connection? Photo attached again. I'm aware that I will need to run a new cable to use the mc3198 so, if this existing cable would work with an older changer I might change course and revert back to an older head unit / changer. The other end of the cable does seem to be present in the cd changer position in the boot too (don't have a photo of this at the moment though)
Thanks guys
Tom
I've had my 96 R129 for about 6 months and now the weather is starting to improve I'm starting to do some jobs which have been on my list of things to do since I got it...
First of all, I appreciate that there are a lot of topics on this. I have done a lot of reading through past posts but can't quite get the answers I want...
The car had an alpine head unit and multi stack changer in it which I have now taken out. I've bought an audio 30 head unit and mc3198 cd changer which is slightly newer than should be in the car but I think is a good compromise for the looks and has sat nav functionality.
After a lot of pulling of the alpine wiring harness I found the original Mercedes wiring harness. This has plugged straight into the audio 30 which powers up and works with no issues. However, there are a couple of questions about it I'm hoping someone can help with...
There's one cable remaining from the alpine harness which doesn't go into the Mercedes one at all and goes straight into the centre console. This is labelled as "audio interrupt in lead"... is this something that should go into the Mercedes harness and if not, any suggestions for what to do with it? The cable is thicker than the MB wiring so I assume it's an aftermarket addition?
Additionally, the Mercedes harness appears to have had one cable cut and then jointed to another. A photo is attached but not very clear. Is there any reason this would have been done? Can someone provide the connector wiring diagram to assist?
Harness aside, the next question is about what wiring would have originally been in the car for a cd changer? There is one cable which looks to be a fibre cable but is a different fit to the mc3198 fibre connection. Was there a previous cd changer which used this type of connection? Photo attached again. I'm aware that I will need to run a new cable to use the mc3198 so, if this existing cable would work with an older changer I might change course and revert back to an older head unit / changer. The other end of the cable does seem to be present in the cd changer position in the boot too (don't have a photo of this at the moment though)
Thanks guys
Tom
