12 volt prefocus bulbs
When I first got my C15a Wire 5 I had a heck of a time getting the headlights to work
All the circuits worked and I tested the2331 bulbs but no way would they work when installed. I put sealed beams in instead for the winter and back to the bridge plate and blackout light in summer.
I then, (I'm slow on some things) discovered that the contact points are out 90 degrees. So I had some success heating up the flange and rotating it 90 degrees but that was of limited success.
recently in researching a guy who will make halogen bulbs to fit these things I found out that the 12 volt bulbs are 90 degrees to the 6 volt bulbs. trouble is nobody could find me any at parts stores. By chance I found out that those cheap Chinese scooters that are imported use a 12 volt prefocus bulb of the correct orientation. The part # is 6245Y. I bought 2 on eBay and they snapped in place and work.
Looking through the parts manuals I think my truck probably was originally a 12 volt and not a 6 volt, lots of different headlight bucket assembly's.
Mine was built July 44 and the headlight bucket was the original ones with the wire wrapped loom
All I did was change the Voltage regulator to 12 volt and the bulbs. Now I think I might dig up the original gas gauge that never seemed to work on 6 volt and see if it works properly now. any body else ever notice the difference in the orientation of the contact points in their headlight sockets?
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