Q: How do I troubleshoot power to headlights, intermittent. bulbs & fuse are good. on 2002 Kia Optima

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I have no power to regular headlight socket, I have good bulbs and fuse under hood. I have swapped the head light relay with fog light relay. Even disconnected battery to reset system. Problem just occurred, also air bag indicator came on at same time and continues. Both headlights are out, but not high beams (separate bulbs). What do I check next? Has this problem occurred to other owners? No service light is on.
(1) Answer
with switch in on possition check relay terminals for power and ground with volt meter, also you could try having a buddy in the car turning the switch on and off while you place your hand or fingers on the relay to see if it clicks you should be able to feel the relay when it activates..
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