I would like to know if older headlights from say a 72 would fit and work on a 75? I know that the buckets are different but I would like to know if they are interchangeable. thanks.

Yes. Same bulb. LED’s rule.

Classic "Since You Are There...."

I put in New Led Lights.

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Was Tricky to catch the Hazard mode,( Flashing lights.)

I wanted more light at night and doesn't hurt the Alternator either.