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Check the plug on the back of the headlight closely for corrosion,and make sure it's fully seated.I've ran into a couple where the pins had even been melted.If both low and high beams are out,good chance it's the connector on the back of the light itself.Headlights on right side don't work both low and high beam. Any ideas. 2013 ram.
There is a three pin/wire plug that both the headlight wiring goes through for the Quad style headlights(separate high and low bulbs).But they are separate bulbs for high and low beams.
If it was a fuse or relay,both sides would be out.Start with the common denominator,the connector into the back of the headlight.The connector has been known to give issues,so look it over close for pins melted or corroded etc..If not the connector,then you'll have to dig deeper.Pop that headlight out so you can wiggle the connectors into the light,if the light works when you wiggle the connector,you'll know where your issue is. Ma Mopar used to have a repair kit for the connector,but i'm not sure if they still do,that's if it turns out to be the connector.OK thanks. And no fuse or relay?