Taillight Housing Orientation
I bought a 1940 Ford 1-1/2 ton panel delivery fire engine earlier this year. It is still 6 volt positive ground. The taillights are mounted on brackets on top of the fenders. I am trying to determine why the driver side taillight is much brighter than the passenger side taillight. I switched bulbs side to side and the driver side is still brighter. Both bulbs are labeled with "top" and I maintained that orientation. I did not think to rotate the bulb 180 degrees in the socket while I was there. I noticed that each housing has a small hole in it. The driver side has the license plate light lens on the bottom with the hole in the top of the housing. The passenger side housing has the hole in the bottom of the housing which makes sense if it is a drain. Can someone tell me if one of the housings is mounted upside down, thus reversing the filaments.
Once I fix this I will follow the advice in other threads and paint the inside of the housings gloss white and install the super bright bulbs.
FireEngineMike
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