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Old head unit to new headunit... problems!

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Old Jul 26, 2009 | 10:43 PM
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Question Old head unit to new headunit... problems!

Hi,
I had a old Clarion head unit in my truck when I got it and everything worked fine and then I wanted to get a better headunit with a AUX. direct port for my ipod so I got a new Kenwood head unit. I love the features and look and I know the brand is ok, so I was excited to get it in! Me and my buddy take the old one out and wired it up with a new wiring harness and antenna extender, turn it on with it all hooked up and three out of four speakers dont work! WTF! I went and got the deck exchanged for another one and we wire it up and the same thing happens! It worked fine before! New head unit new wring harness, three out of four speakers dont work! AGAIN! WTF! brought my truck to Best Buy where I bought the deck from and had the guy that works in the installation bay look at the speakers, the wiring, and the deck and he said everything looks ok, but could not look at the wiring behind anything eles with paying a arm and a leg for him to do so! So me and my buddy take the door panel off and take out one of the not working speakers and take the deck out and run a test wire from the power deck to the speaker and the speaker works fine! So speakers are not blown! So I think I came to the conclusion that a connection from the deck to the speakers is a bad one. So I made appointment at Best Buy Saturday for them to "fix" the connections. The wires from the deck to the speakers and then it should work! Little more money but this should fix it.. I hope!

Do you think this is what the problem is? Or does anyone have anything on this situation I am in!!!

Thanks in advance!

Brendon!
 
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Old Jul 27, 2009 | 02:38 PM
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Anyone!!??
 
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Old Jul 27, 2009 | 11:02 PM
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It's fine to post this over in 2nd gen. Hell that's what you drive aint it?

You might want to pull the primary harness off, and test it with a volt meter. Take a paper clip X 2 and affix it to each probe. That way you have nice slender piece of metal to stick in the pins.

I am guessing that you accidentally pulled on the wires, instead of the plastic pull clip to remove the harness from the deck. It happens, and usually once you locate the problem, you can press it back in, and put a drop of super glue in the hole (Backside where the wires go into the plug) and that should help.
 
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Old Jul 27, 2009 | 11:16 PM
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+1 I agree that by simple deduction if your head unit works and the speakers work, then it must be a bad wiring harness. Either the factory harness or maybe your adapter harness. I assume you used an adapter and didn't cut the wires.
 
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Old Jul 28, 2009 | 10:06 AM
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Yeah I use a new wiring harness. its all spliced and but connected correctly.
 
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Old Aug 1, 2009 | 08:03 PM
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Take a multimeter, set it to test continuity, and start testing wires. If there's a factory amp in the truck, make sure that the amp is turned on while doing the test. If you're not getting anything when you test the wire, you've got a problem with the wiring. Check the door boots first, I had an 02 Ram yesterday that had a similar problem, had a good aftermarket head unit and a good speaker, but no audio. Turned out that the wires inside the door boot were completely severed, and I had to pull the boot back and solder everything back together.
 
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Old Aug 3, 2009 | 05:29 AM
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Default Simple test....

Unplug the harness from the back of the radio and measure the impedence across each set of speaker wires at the plug .(LF+-) (RF+-) (LR+-) (RR+-) You should get a reading equal to the impedence of each corresponding speaker ~4 ohms or ~8 ohms providing your speakers don't have a crossover capacitor attached at the speaker terminals. I'm thinking that the crimp connections are faulty
 
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Old Aug 3, 2009 | 02:26 PM
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Yes. I finallly got it fixed! It was a blown amp in one of the aftermarket infinities that I guess I had on one side. and the others where just loose connections in the door! Got it fixed and had to get two new Rockford 6x9's! But are sweet! And now the deck is in and I got two new speakers! 200 bucks later!
 
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Old Aug 3, 2009 | 03:02 PM
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Good deal man, glad it worked out for ya.
 
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Old Aug 3, 2009 | 11:07 PM
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Yeah its all good now, got a lil better audio out of her now, lol. Ill get pics in the album soon!
 
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