[SS Tim]

Trim code 603 is a Cheyenne Black vinyl interior.
600 is a base (Custom Black) 601 is the Custom Deluxe and 602 are Black bucket seats.
So black headliner, seat, visors, door panels, column and carpet.
No white!

Outside code 553 is 524 Red Orange (Hugger Orange) with a 521 White roof in the Conventional Two-Tone pattern.

All in all a typicaly equipped 1/2 ton LWB, coil spring Cheyenne.

Pulled up the text on your SPID a bit in the last picture.