Nissan 300ZX Headlight Not Working

When My Son Turns On His Headlights Only The High Beams Come On The Low Beam Will Not Work. Also The Tail Lights, Brake Lights And Dash...

Initially, The High Beam And Low Beam Would Only Work When I Switch To 2nd Position On The Combination Switch. Only Fog Lamp Would Work In...

The Light On The Dash Came On Intermittently Indicating Headight Problems. I Checked And The Pasenger Light Was Not Working. I Changed The...

Changed Right Headlamp With New Sealed Beam, Right High Beam Is Still Inop. Is There A Relay That Controls Low/high Beam For Each Headlight...