noradio
New member
- Location
- North Carolina
- Car(s)
- 2015 GSW TDI 6MT
Hello all! First post here, wish I didn’t need to get help for this but here I am (sorry this is probably going to be confusing and convoluted):
Couple months ago bought a '15 Sportwagen TDI S six-speed at an insurance auction. I really like the car and have been driving it after I finished repairing the crash damage. However, I have an issue with what the previous owner did to the car. I found the car with no display or unit in the glovebox, only an absolute mess made of the wiring harness. He put in an aftermarket unit (and I guess ripped it out after the crash) and based on how he did it he should be institutionalized. Anyway, pictures show what I'm left with.
I want to put a Volkswagen system back in the car. I’ve done a good bit of research on MIB2 installs and what’s been documented so far is pretty thorough. In normal circumstances I would just do the MIB1 to MIB2 install (non-Fender) no/few questions asked… but my issue is obviously getting to the starting point of the conversion I.E. the wiring harnesses need repair.
SO… what I’ve done so far:
Outstanding questions and issues:

Couple months ago bought a '15 Sportwagen TDI S six-speed at an insurance auction. I really like the car and have been driving it after I finished repairing the crash damage. However, I have an issue with what the previous owner did to the car. I found the car with no display or unit in the glovebox, only an absolute mess made of the wiring harness. He put in an aftermarket unit (and I guess ripped it out after the crash) and based on how he did it he should be institutionalized. Anyway, pictures show what I'm left with.
I want to put a Volkswagen system back in the car. I’ve done a good bit of research on MIB2 installs and what’s been documented so far is pretty thorough. In normal circumstances I would just do the MIB1 to MIB2 install (non-Fender) no/few questions asked… but my issue is obviously getting to the starting point of the conversion I.E. the wiring harnesses need repair.
SO… what I’ve done so far:
- Gotten a copy of the wiring diagrams from Erwin (seems like it’s incomplete though? Only goes to 500 pages and it seems like connector pinouts are cutoff. Does anyone know how long the document should be for “MEX5R010521-Wiring_Diagrams_and_Component_Locations”?)
- Documented the state of the cut harness in the car with many pictures
- Determined 2/6 coax lines are cut
- Started trying to match my cut harnesses to the diagrams in section 24
Outstanding questions and issues:
- Coax cables…I don’t see them in the wiring diagrams… can someone help identify them? What coax cables should I expect to find in a 2015 MIB1 non Fender system and where are they supposed to connect to? Where do they come from?
- Two coming from the passenger A pillar area (blue/pink):
- Another two (black) are coming from the rest of the harness out of the dash - no colored connector just plain metal crimped ends:
- Last two I found have been cut and spliced into, no idea what any of them are for specifically
- Two coming from the passenger A pillar area (blue/pink):
- CANBUS pairs
- I have two pairs of cut CANBUS high/low lines in the car. One pair definitely goes to the grey 12-pin connector T12al pin #s /12 and /6:
- I also don't know how to identify which pair is which on the car side as they kinda come out of the same bundle, both pairs shown here:
- I have two pairs of cut CANBUS high/low lines in the car. One pair definitely goes to the grey 12-pin connector T12al pin #s /12 and /6:

Last edited: