New to forum. Any help or suggestions appreciated. Just purchased 1980 malibu coupe. Got her running decent...but I have no tail lights. When brakes are applied I have brake lights. When headlights are on...no tail lights. Also no turn signal lights at any time. Or flashers. When brakes are applied, both front signal lights light up and both signal indicators on dash light up. Replaced brake light bulbs on rear. Headlights and park lights work. Checked all fuses in fuse block. All good. Help please with any advice or ideas. Thanks