Need advice on replacing left low beam wire harness. Low beam is not working, bulb is functional, checked fuses and all other lights work, including left High. Troubleshooting is pointing to loose wires in the harness as when changed last time, light bulb flickered. cannot source wiring diagram.

 

Unless someone can provide, only source I know for wiring diagram is automanualsource.com emanual for your vehicle, $22.

Have you checked whether 12V is present on connector? A damaged connector might cause your problem.

A bad ground connection to frame would affect both hi and low beams, however low beam ground wire is separate and could be damaged.

good luck