Your vechical uses a H1 bulb for both the low and high beam. Don't worry if you don't understand 1,2,3 prong, neither does the guy at O'Reilly. The O'Reilly guy is confused by the socket that the bulb plugs into one side and the wiring connector plugs into the other side. From what you describe it sounds like the socket is flaky or loose wiring at the plug connector. You can replace the socket, it is part #3 in the link provided
See the youtube video for how to replace the H1 bulb and notice the three separate parts...bulb, socket and plug connector.
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See the youtube video for how to replace the H1 bulb and notice the three separate parts...bulb, socket and plug connector.