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Old 09-19-2020, 05:56 AM   #17
Frank Miller
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Join Date: May 2010
Location: Auburn, MA
Posts: 2,106
Default Re: 1947 back up light switch bracket

When wired as original on my 49 ford the backup lights only come on when the headlights are on. I guess they were originally meant for night use before someone figured out that they make a good signal for those outside the car of the driver's intention to back up.
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