Since you added it it might be wired wrong, etc. This is tied into the left side door switch which is three terminal. I would download the 72/ 73 shop manuals (free) from MyMopar.com. Some of those manuals are there because of guys here This is an excerpt from page 8-78 of the 72 manual Also see page 8-148.......From there go down to bottom left of page 8-150, and find the half moon shaped lamps accessory connector, with two yellow conductors
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