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  1. Previous Thread

    Head unit restarts when touched

    Started by soulcain at 03-26-19, 11:38 AM

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    trying to figure out which fuses to tap into

    Started by mcf57 at 04-23-19, 04:32 PM

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  2. Chris from Washington

    Shitters full!
    04-01-19 #2

    Default Re: Alpine iLX-107 head unit draining my car battery in only a few days ??

    Hi Welcome to the forum

    It sounds like you've done most of the troubleshooting and it does sound like it's pointing to the new deck.

    The only other thing I would try, just to rule it out. Is the XM satellite module, if possible. I would try unhooking that, leave the deck hooked up. Then redo your tests, to see if the battery drains again.
    If it does, then you really have proved that it's the deck.

    Report back with what you find out.

  3. ponyXpress

    Junior Member
    04-01-19 #3

    Default Re: Alpine iLX-107 head unit draining my car battery in only a few days ??

    Quote Originally Posted by Chris from Washington View Post
    Hi Welcome to the forum

    It sounds like you've done most of the troubleshooting and it does sound like it's pointing to the new deck.

    The only other thing I would try, just to rule it out. Is the XM satellite module, if possible. I would try unhooking that, leave the deck hooked up. Then redo your tests, to see if the battery drains again.
    If it does, then you really have proved that it's the deck.

    Report back with what you find out.
    I thought about trying that, but there is no easy way to just unplug the XM sat stuff. I don't want to mess with the deck or anything because I don't want the install shop to blame anything on me.

    My guess is that at some point, perhaps every 4 hours or something, the head unit must be turning on and staying on for a while, then turns off, and rinse and repeat until dead battery.

    The install shop is pushing back because I guess a bad head unit is so rare. I will report back when I learn something new.

    thanks!

  4. Chris from Washington

    Shitters full!
    04-01-19 #4

    Default Re: Alpine iLX-107 head unit draining my car battery in only a few days ??

    Quote Originally Posted by ponyXpress View Post
    I thought about trying that, but there is no easy way to just unplug the XM sat stuff. I don't want to mess with the deck or anything because I don't want the install shop to blame anything on me.

    My guess is that at some point, perhaps every 4 hours or something, the head unit must be turning on and staying on for a while, then turns off, and rinse and repeat until dead battery.

    The install shop is pushing back because I guess a bad head unit is so rare. I will report back when I learn something new.

    thanks!
    Ah that's true about messing with the wires, they would use that against you saying 'well you messed with it'
    I would keep pushing back on them, since it wasn't doing it before and it's doing it now. It shouldn't be draining the battery every 4-5 days, that's just unacceptable.

    You could also try contacting Alpine and explain what's going on to them, they might be able to help.

    yes, please report back if you find a solution!

  5. ponyXpress

    Junior Member
    06-20-19 #5

    Default Re: Alpine iLX-107 head unit draining my car battery in only a few days ??

    Quote Originally Posted by Chris from Washington View Post
    Ah that's true about messing with the wires, they would use that against you saying 'well you messed with it'
    I would keep pushing back on them, since it wasn't doing it before and it's doing it now. It shouldn't be draining the battery every 4-5 days, that's just unacceptable.

    You could also try contacting Alpine and explain what's going on to them, they might be able to help.

    yes, please report back if you find a solution!
    Update: The install shop replaced the power distributions module (I forget what the correct name of this device is, but they installed it when they installed the new head unit). As before, I had no issues for about a week, and then the drain issue returned. The install shop now wants to do their own draw test to see if they can find it.

    I wish there was a data logger device that I could connect to my car that would monitor the draw and record when, how much, etc. If anyone knows of such a device, please share. As I mentioned before, I did a draw test for over a hour and it didn't show anything significant. I think I would need to watch the draw test for days, not hours to really find out what is happening.

    I noticed in the manual that the Shaker 500 system that I had included a front amp, and of course the factory XM module. I'm now curious if the new head unit is unable to tell the amp or XM module to turn off and on correctly. Perhaps it is unable to manage the power signal.

    Anyone else out there with a 2008 Mustang and shaker 500 system with alpine head unit - that is working?

    For now, I have pulled the head unit fuse again and will continue to check the battery level. This truly sucks and I wish I could go back to my stock setup, where everything has been working great for 10 years.

    As for contacting Alpine, they said I would need to go through the install shop and have them send the unit back to the factory for testing. So I guess that may be next step.

    I'm curious about how much draw it takes to really drain a battery like this. It seems that 3 or 4 amps or more would be needed to do this in a 36 hour period. I know headlights can kill it in less than 24.

    Help please!

  6. ponyXpress

    Junior Member
    06-20-19 #6

    Default Re: Alpine iLX-107 head unit draining my car battery in only a few days ??

    Update: The install shop replaced the power distributions module (I forget what the correct name of this device is, but they installed it when they installed the new head unit). As before, I had no issues for about a week, and then the drain issue returned. The install shop now wants to do their own draw test to see if they can find it.

    I wish there was a data logger device that I could connect to my car that would monitor the draw and record when, how much, etc. If anyone knows of such a device, please share. As I mentioned before, I did a draw test for over a hour and it didn't show anything significant. I think I would need to watch the draw test for days, not hours to really find out what is happening.

    I noticed in the manual that the Shaker 500 system that I had included a front amp, and of course the factory XM module. I'm now curious if the new head unit is unable to tell the amp or XM module to turn off and on correctly. Perhaps it is unable to manage the power signal.

    Anyone else out there with a 2008 Mustang and shaker 500 system with alpine head unit - that is working?

    For now, I have pulled the head unit fuse again and will continue to check the battery level. This truly sucks and I wish I could go back to my stock setup, where everything has been working great for 10 years.

    As for contacting Alpine, they said I would need to go through the install shop and have them send the unit back to the factory for testing. So I guess that may be next step.

    I'm curious about how much draw it takes to really drain a battery like this. It seems that 3 or 4 amps or more would be needed to do this in a 36 hour period. I know headlights can kill it in less than 24.

    Help please!

  7. ponyXpress

    Junior Member
    02-23-20 #7

    Default Re: Alpine iLX-107 head unit draining my car battery in only a few days ??

    Hello all - so I found out what happened. The dealer failed to connect the correct wires to the factory Shaker 500 amps, so sometimes the amp would not shutdown. I had to wait until it failed to turn off and then I was able to see a 1.3 amp draw, then traced to the factory amp. I pulled that fuse and everything is back to normal. I ordered replacement amp and new speakers. I can't wait for that stuff to get here and finally finish this project.

    What sucks is I asked the dealer about checking the Shaker 500 amp in the very beginning and they assured me that everything was fine. it's just hard to find a good audio shop these days.

  8. Chris from Washington

    Shitters full!
    02-24-20 #8

    Default Re: Alpine iLX-107 head unit draining my car battery in only a few days ??

    Quote Originally Posted by ponyXpress View Post
    Hello all - so I found out what happened. The dealer failed to connect the correct wires to the factory Shaker 500 amps, so sometimes the amp would not shutdown. I had to wait until it failed to turn off and then I was able to see a 1.3 amp draw, then traced to the factory amp. I pulled that fuse and everything is back to normal. I ordered replacement amp and new speakers. I can't wait for that stuff to get here and finally finish this project.

    What sucks is I asked the dealer about checking the Shaker 500 amp in the very beginning and they assured me that everything was fine. it's just hard to find a good audio shop these days.
    Thanks for the update, that really sucks that the dealer didn't check all of that when you first brought it up. Ugh, so much time wasted

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