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Answer I had a similar problem when I put a CD player in my 92 explorer. The problem was that somehow I used the hot wire from the headlights. I simply just rewired the power wire and problem solved.

First of all I would check the power source. If you didn't use a wiring harness some of the 12v power is discontinued when you turn the headlights on. Using either a voltmeter or testlight check for a constant power source. THE MOST COMMON CAUSE OF THIS IS CONNECTING YOU VEHICLES DASH LIGHT WIRE TO THE GROUND ON THE STEREO

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โˆ™ 2011-09-13 17:27:18
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Q: Why would your new radio not work with the headlights on?
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