putzbach

I have a 01 tt that was hit in the front and swapped the front clip. and used a 02 radiator support and was noticing a few differences such as the 02 has a module that mounts to it and the 01 doesnt. and also the wiring harness coming from the headlight on the passenger side has 4 harnesses, same as the driver but it seems like one of the plugs goes into the horn on the driver side but there is no place to plug in the passenger side harness in anywhere on the horn on that side. Wondering if im missing something or if anyone has a wiring diagram of those harnesses. thanks.