The DMS-4 is a little different from a standard PJ layout as it has 1 Volume, 1 Tone and a 3-way toggle, so this wiring diagram is a good match. Different pickups etc. but the connections are the same, although you should use 250K pots (log/audio taper) instead of 500’s.

Regarding your Bridge ground connection, was there not an angled hole drilled under where the bridge sits? It usually looks a bit like a gouge in the body. Like this: