turn lights don't blink

Sounds like the flasher unit is bad and here's what it looks like http://www.napaonline.com/Search/Detail.aspx?A=NF_LM470_0227132784&An=599001+599999+101999+109999+50056+59999+2056005+2999999+17146 and here a shop to help you http://repairpal.com/plymouth-repair-in-san-diego-california

DOES YOUR 4 WAY FLASHERS WORK. IF NOT IT MAY BE A FLASHER . THATS USUALLY THE ROUND FUSE IN THE FUSE BOX. GOOD LUCK

it means the bulb in which directional side needs to be replaced. it won't flash when a bulb is burnt out