G'day guys, sorry about the delay in replying!
I'm not sure about the strobe lights, HoHun, but I have the book 'Supplement to Grumman TBF/ TBM "Avenger" ', by B.R Jackson and T.E Doll (Aero publishers Inc. 1970) and it has two three-quarter rear views (from above, and below) of an Avenger showing the positions of all external lights.
They are as follows:
1. Wing running light (red) - port wing tip.
2. Tail running light (white) - trailing edge of rudder, above trim tab.
3. Recognition light (amber) - aft of bomb bay, centre fueslage line, immediately ahead of ventral gun position.
4. Recognition light (green) - aft of bomb bay, centre fueslage line, ahead of amber.
5. Recognition light (red) - aft of bomb bay, centre fueslage line, ahead of green.
6. Wing running light (green) - starboard wing tip.
7. Formation lights (blue) - port and starboard wings, near the tips, in line with outside edge of ailerons.
8. Approach light (green, amber, red) - inboard leading edge of folding part of port wing.
9. Section light (blue) - along aircraft spine, before, and almost touching tail fillet.
Hope this is of some use.
Also regarding recognition lights, it seems sometimes they weren't enough. I read once that P-51's looked so similar to Bf 109s head on, that they had to waggle their wings when approaching their own bomber formations. Apparently one pilot neglected to do so once, and was shot down by a B-24 tail gunner!
Interesting what you said about the anti-collision lights, too HoHun. I remember reading something about that a long time ago, but had forgotten it. Our military C-47's don't seem to have had them, but I've seen the two nose lights on civilian DC-3s in NZ.