headlights are staying on and draining battery so i replaced headlight switch but its still not working properly
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1990 Ford Crown Victoria
Answer #1patrick mannion from Greg Solow's Engine Room, October 24, 2009, 10:19Master
Has your car got lights that are supposed to stay on for a few minutes after you exit the car? Perhaps you do need to charge the battery and do a hydrometer test and high rate discharge test (performance load test) on the battery to ensure it is serviceable.
I hope a Ford technician sees this post and offer more incite.