Wiring

YL- Yellow, OR- Orange, BK- Black, GN- Green, BR-Brown, BL- Blue, GR- Gray

The diode (between the black & yellow wire) can sometimes be located/soldered above the bottom solenoid with the Cathode- on the black wire terminal and the anode+ on the yellow wire terminal.

That plastic cap over the lens is from a LR44/SR44 battery package, had it cut out and taped the small hole to use as a protection over the rear lens element while working on the assembly. (Sometimes during de-soldering or soldering, tiny solder flux particles could splatter on to the lens)