I'm excited,gettin new toy 1949 DODGE!

I figured that D stood for a model, BUT the engine wiring dia. uses it for eng. underhood wiring. The eng has that D30 and then some nubers on side of block. The early Ply site on FB shows their car models as P15 etc.
I started trying to sort out the electrical today, then rain moved in and it sits outside under the "pine tree" shop!
I will have to get back to trying to register for the P-15 D24 site. Getting in Ft. Know would be simplier.