i have a 2006 crown vic i changed my tail light bulbs but i still dont have tail lights on my passenger side

its just the passenger tail light i have brake lights i have blinkers

It may also be in the wire loom. Too much tension could cause the wires to pull out of any of the connectors, especially if the loom goes though the trunk or under the rear seat where it could bear friction and pressure, This could be causing wires to become broken inside the insulation. .