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Old 03-08-2007, 10:19 PM   #1
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Join Date: Feb 2005
Posts: 3
1984 Mercury Grand Marquis Radio Problems

I have bought a c.d. player, new speakers for the back dash and the front doors. I used a factory plug kit for it and the speakers worked. I was unaware the car didint have speaker wires to the doors so I put some in. In the meantiem, the dash speakers and back speakers worked. As soon as I spliced in the door speakers, I had no sound. I then got frustrated and then just listened to it without the door speakers although the dash speakers are blown. So today I ran all new wire to every speaker except the dash ones, and ran a ground and a hot wire straight from the battery. Guess what. No sound. When I hooked it back up through the harness AGAIN, I had rear speakers and those damn dash speakers. There are no ground wires for the speakers on the car plugs on the car itsself, just hot ones. Please help.
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Old 03-13-2007, 04:59 AM   #2
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Join Date: Oct 2006
Posts: 52
newer radios do NOT ground the speakers. if you did you may have fried the amp for those speakers. Actually the only time I have seen a "floating" ground on a stereo system was over 20 years ago. And yes you can cook the front output without affecting the rears
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