Cibie Hesdlights? Options

[Jameel]

My headlights are pretty dim. I try not to drive at night. So I'm thinking of ordering a set of H4s. But I noticed that current lights look like Cibie's with replacable bulbs. I'm going to pop them open today to get a close look. Does anyone recognize what I've got here?

[Jameel]

Put new battery connectors on, a new negative lead to the chassis, cleaned both headlight grounds back to shiny brass and I'm still only getting 11.7 V at the headlight connector.

I did a voltage drop test ala Daniel Stern and I got 3V total drop from battery to the lights (lights on, engine running)

Also tested my voltage at the battery. It's 12.7 at rest, but not any better with the engine running. My alternator was recently rebuilt, just a month or so ago. Car has original voltage regulator. My dash bulb does work, lights up and goes off just fine.

I read somewhere that the alternator shouldn't be run unless it's connected to a battery. I test ran this engine on a stand last month but only hooked up the starter and fuel pump, I don't remember hooking up the alt to the battery.

What should my next step be?