http://www.startekinfo.com -> MB Workshop Resources -> Service Manual Library CD/DVD -> Model 123 Service Library -> 123 Disc 2 -> 300TD '84 -> Continue -> Electrical Troubleshooting Manual -> Wiring Diagram

http://www.startekinfo.com/StarTek/outside/12265/disc_2/program/ETM/83_300.pdf

Sixto
87 300D