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Q:

what should i look for when my blinkers and hazzard lights quit working on 1998 Chevrolet Cavalier

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already replaced relay switch for blinkers
(2) Answers
(2) Comments
MOST likely the combo. or signal light switch is defective. This switch is also the hazard light switch, as well as other functions. That is why it's called a combination switch.
Well: the circuit, the bulbs, the fuse, the relays,the switch itself.The sockets that the bulbs are in could be corroded: remove the lens to see if corrosion is present and if the bulb is dark,which means it is blown, and I would replace all the bulbs while I am at it because they tend to blow close together.the switch could be worn and loosing contact inside. The circuit wires could be short-circuiting somewhere .Use diaelectric grease to pre vent corrosion.