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Distortion problem - Jeep Grand Cherokee & JVC KD-TD71BT head unit
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<blockquote data-quote="blueribb" data-source="post: 8783950" data-attributes="member: 685274"><p>Problem Fixed !</p><p></p><p>But, it wasn't the JVC head unit. After installing the replacement JVC, I noticed the front left door speaker had no sound. I jiggled all the jumpers I installed to bypass the Infinity Amp but still no sound. I banged on the drivers door and the sound returned. Today, I removed the door panel and removed the speaker. One wire fell out of the speaker terminal. Chrysler/Jeep used 18 gauge or thinner wire for the door speakers and the door speaker 's screw terminal just would not hold it in place tightly (Infinity Kappa 62.11i). After years of opening and closing the driver's door, the screw worked itself loose. I cut back the thin wires and stripped them. I had to use fine steel wool to make the copper wire shine since they were quite discolored. I bent the wire over to make it twice as thick, then applied a few drops of liquid flux. I used rosin core solder and my old trusty Weller Iron to tin them. They I used isopropyl alcohol to clean the flux off. After installing them in the speaker, they held really tight. I'm guessing my other 3 door speakers may need this treatment in the future.</p><p></p><p>The reason the distortion was only present when the engine was running was the vibration was causing the speaker connection to make and break.</p><p></p><p>Edit: In hindsight, I should have put my ear to every speaker when the distortion started, instead I thought it was all 4 speakers since I was so close to the driver's door speaker. Lesson learned.</p><p></p><p>Thanks to everyone that contributed.</p></blockquote><p></p>
[QUOTE="blueribb, post: 8783950, member: 685274"] Problem Fixed ! But, it wasn't the JVC head unit. After installing the replacement JVC, I noticed the front left door speaker had no sound. I jiggled all the jumpers I installed to bypass the Infinity Amp but still no sound. I banged on the drivers door and the sound returned. Today, I removed the door panel and removed the speaker. One wire fell out of the speaker terminal. Chrysler/Jeep used 18 gauge or thinner wire for the door speakers and the door speaker 's screw terminal just would not hold it in place tightly (Infinity Kappa 62.11i). After years of opening and closing the driver's door, the screw worked itself loose. I cut back the thin wires and stripped them. I had to use fine steel wool to make the copper wire shine since they were quite discolored. I bent the wire over to make it twice as thick, then applied a few drops of liquid flux. I used rosin core solder and my old trusty Weller Iron to tin them. They I used isopropyl alcohol to clean the flux off. After installing them in the speaker, they held really tight. I'm guessing my other 3 door speakers may need this treatment in the future. The reason the distortion was only present when the engine was running was the vibration was causing the speaker connection to make and break. Edit: In hindsight, I should have put my ear to every speaker when the distortion started, instead I thought it was all 4 speakers since I was so close to the driver's door speaker. Lesson learned. Thanks to everyone that contributed. [/QUOTE]
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Distortion problem - Jeep Grand Cherokee & JVC KD-TD71BT head unit
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