The C4 AAN engine harness is one unit but there are two distinct sections: the portion inside the passenger compartment wrapped in yellow cloth tape and the portion in the engine bay itself covered in black rubber tubes.
I am just about finished the passenger side (waiting on a photo or two) (It will be a 19 pg pdf that is based on puglife's original post - with updates and some corrections). In the meantime, I have finished (I think) as much as I am going to do for the engine bay. Open to comments (positive and, yes, negative).
Here is the division:

Here is the detail for the engine bay side (LHD bias) (what did I miss?) (meant to be used with the AAN ECU pinout post to get the wire colours and more info (via the hyperlinks to the connected devices):
I am just about finished the passenger side (waiting on a photo or two) (It will be a 19 pg pdf that is based on puglife's original post - with updates and some corrections). In the meantime, I have finished (I think) as much as I am going to do for the engine bay. Open to comments (positive and, yes, negative).
Here is the division:

Here is the detail for the engine bay side (LHD bias) (what did I miss?) (meant to be used with the AAN ECU pinout post to get the wire colours and more info (via the hyperlinks to the connected devices):
Comment