Grrrrr - bloody bulbs

So I've done my relays, wiring, fuses and whotnot, I've even taped up the loom so that it's nice and tidy using proper loom tape.

As an aside, if you are thinking of doing some loom work, get some of this stuff it's really easy to use and looks excellent, far better than the self adhesive crap!

So I come to put the new bulbs in and guess what, they aren't the same! The are marked the same with H4 although the new ones are marked H4 U. The new ones are what I'd expect, with 3 prongs. The old ones are altogether larger and round with pressed location dimples in them. They fit snuggly in the Cibbie lenses and are rtained by two clips.
The new ones will fit but look awkward and leave a gap between the bulb and the lense - they just don't look right although they work fine and look OK from the front.
So, what's going on!!?? Thoughts anyone!?


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