AMP Troubleshooting - Jeep Commander Forums: Jeep Commander Forum
Electronics / NAV Discussion This section contains discussion about the electronics system and NAV system in the Jeep Commander.

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post #1 of 11 (permalink) Old 08-02-2015, 10:18 AM Thread Starter
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Angry AMP Troubleshooting

I replaced the amp in my 2009 Jeep Commander only to have it fail about 2 weeks later. So much for the 300 factory amp and the 5 hours I spent removing everything in the back of the car to get to it.

It worked on VERY low volume like the last blown amp for a week until it went completely silent.

I was a bit surprised to see that the wiring runs alongside the window to the top position of the amp. Is it possible that water may be getting in running down the wires shorting the amp? Is it possible the drink holder above the amp can leak on the wires and short the amp if a drink is spilled? Check out this image for reference.

Is there anything else that I can double check before I replace the amp again to ensure it does not malfunction again.

Any help or suggestions would be appreciated.

Last edited by 17912; 08-02-2015 at 11:50 AM. Reason: More Info
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post #2 of 11 (permalink) Old 08-05-2015, 09:19 PM Thread Starter
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Darn - I hope I did not piss anyone off. I thought I would get at least 1 reply after 80 page views...
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post #3 of 11 (permalink) Old 08-05-2015, 10:15 PM
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i doubt you pissed anyone off, i just think that they havent had anything useful to say. Are there any other signs of water damage? dry stains and rust?

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post #4 of 11 (permalink) Old 08-06-2015, 08:11 AM
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By the looks of the connector on the right isn't that corrosion due to water exposure? Seems like there might be water leaking down through the wire to the amp and possibly causing it to short. I'd check all areas to see if there are any dry water marks. Also inspect the seals around the window, maybe even with the cover off and amp disconnected I would spray some water with a hose around that back window to see if there are any visible leaks.

The number of views and lack of response just means nobody can offer any good advice or doesn't have experience with it. Just be patient and if nobody replies you might have to bump the thread so it goes to the top of the actives list to give others the opportunity to view your questions if they haven't done so already. There are many members on this forum but not everyone is on it all at once. Good luck and keep us posted if you find anything.

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post #5 of 11 (permalink) Old 08-18-2015, 12:13 PM
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I've been looking for a replacement amp for two months now. Can't find one, new or used. 2006 Commander, 6CD with Nav. Part # 5064118AL.
Any ideas?
Misery loves company.

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post #6 of 11 (permalink) Old 11-07-2015, 05:55 AM Thread Starter
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GOOD NEWS! Spoke to the parts guy where I purchased the AMP 2 months ago. Told me that I had a 1 year warranty. The back order of AMPs came in this week.

I removed the bad AMP last night. (1.0 total time) I am going to clean up the connectors this morning and cover the wires with a plastic bag so the water runs over the wires and not down on them.

Stay tuned.
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post #7 of 11 (permalink) Old 11-07-2015, 01:02 PM
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I would definately clean those with a small brass brush and contact cleaner. You have gotten moisture of some sort down there. One comment on your OP concerns me...you stated: "It worked on VERY low volume like the last blown amp for a week until it went completely silent."

If the replacement AMP did not function correctly when you initially installed it, you have one of two things going on. Either you received a new unit which was bad, and that is less likely, or option 2 you have something else wrong in your system which blew your first amp, and then performed the same dirty deed on your second one...and I have a suspicion is about to do the same to your 3rd unit.

If the latest unit you are now installing does not perform like the original unit before the issues, you need to locate your root cause and not the symtpoms...just me $0.02 based on they way I read your comment...
post #8 of 11 (permalink) Old 11-14-2015, 07:03 AM Thread Starter
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AL_JAZZ I think I got it. That was/is my biggest worry that it is a short in another part of the system.

I cleaned the contacts completely as best I could. It cleaned up good enough in my opinion. So far (Knock on wood) the radio is working to spec.

I secured the AMP in the normal position. I was able to fold over the wire harness along the side of the AMP to prevent the water from walking down the wires. I taped the wires to the side of the AMP. The water would drip off the harness at the bottom curve of the wires instead of running down the wires into the AMP. I took heavy plastic and created a small umbrella and taped it over the AMP keeping enough room for the AMP to breath.

SIDE NOTE:
1. My wife now has the cleanest carpet, seats, and plastic trim of any 2009 Jeep Commander.
2. Called SIRIUS XM - Received 2 months FREE satellite radio.

Follow Up: 12/4/15 Still working after a nice rain storm this week. Success.

Last edited by 17912; 12-04-2015 at 05:58 PM.
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post #9 of 11 (permalink) Old 03-16-2016, 12:07 PM Thread Starter
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The AMP is still powering the radio!
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post #10 of 11 (permalink) Old 03-16-2016, 01:16 PM
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Great to hear, but did you try to find a leak by spraying a hose on the area when you had it opened up? You might avoid the car wash

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