Maybe a wrecking yard? I don't have my 83 SD anymore or I'd send you a photocopy.

Looking into the fuse box while standing by the left front wheel and going front to back -

inside row:

- power seat control relay
- power seat separation relay
- overvoltage protection relay (for EGR, 84 CA and 85 only?)
- rear defogger timer and sunroof relay

outside row:

- auxiliary fan relay
- power window relay
- ACC compressor time delay relay
- wiper interval control relay

Sixto
95 S420
87 300SDL