Once a customer came to me with a MAN L2000 truck. It had a custom bumper with 7" LED lights mounted. One was ok, the other was mounted wit a 90 degree turn. By a workshop, not by teh customer. As this is normally prevented by the PAR56 standard mounting system, which has coded system with three asymetric cams, that top is always top. They grinded the cams away on that one headlight.....so...the knew what they are doing, didn't they?
After mounting the Nolden lights...
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BTW, the former lights were a very good example of low qualitiy. They were three years old...The polycarbonte was already yellowed, the housing was degraded.
The pair was 300 Euro.
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AWo