Chevrolet Trailblazer Headlight Wiring

My Low Beams Wont Come On. The High Beams Work Fine. I've Checked The Bulbs, Fuses, And Relays. Wiring Seems To Be Fine.what Could Be Wrong...

Dim Light Plug Keeps Melting

Don't Know Where To Wire The Halo Lights To Use Them. There Is A Red And Black Wire Coming From The Light Assembly And I'm Not Sure...

My Passenger Headlight Keeps Going Out And This Time The Bulb Did Not Burn. But I Have Found That The Wiring Is Melting. What Would I Have...

96 Blazer 144000 Miles, The Other Day While Leaving Work Both Headlights Dimmed At The Same Time. Slowly Flickered A Few Times Together....