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<blockquote data-quote="TheNJBen" data-source="post: 8654928" data-attributes="member: 675554"><p>I have a 2018 grand Cherokee that I upgraded the sound in.  Had all 4 speakers replaced and had a sub and 5-way pioneer gm-d9605 amp.  I kept the factory head.  Immediately after the install the left rear channel was silent.  I brought it back and the resistor on that channel (required to match OEM resistance) was adjusted.  Again it was out quickly and they ultimately replaced the resistor and it work great for 10 days when the front left went out.  It was intermittent .. sometimes when I turned the car on it worked sometimes it didn’t.  I brought it back again and after testing and replacing that resistor it still would not turn on.  They told me that the problem was my head not being compatible but that doesn’t make sense with it working fine for 10 days.  They recommend upgrading my head and bezel assembly’s which is now an option.  Any suggestions what the problem that it can be </p></blockquote><p></p>

[QUOTE="TheNJBen, post: 8654928, member: 675554"] I have a 2018 grand Cherokee that I upgraded the sound in. Had all 4 speakers replaced and had a sub and 5-way pioneer gm-d9605 amp. I kept the factory head. Immediately after the install the left rear channel was silent. I brought it back and the resistor on that channel (required to match OEM resistance) was adjusted. Again it was out quickly and they ultimately replaced the resistor and it work great for 10 days when the front left went out. It was intermittent .. sometimes when I turned the car on it worked sometimes it didn’t. I brought it back again and after testing and replacing that resistor it still would not turn on. They told me that the problem was my head not being compatible but that doesn’t make sense with it working fine for 10 days. They recommend upgrading my head and bezel assembly’s which is now an option. Any suggestions what the problem that it can be [/QUOTE]

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