Remote Wire not turning off amp


landon3636

CarAudio.com Newbie
Jan 9, 2021
4
1
North Carolina
I recently installed new subs and an amp into my 2010 Ford f150 with sony navigation. I converted the stock subwoofer speaker wires into RCA to connect to my after market amp. The remote wire is tapped into the fuse box in fuse 38 which controls subwoofers. Using my volt meter I determined that the fuse is a 12v and turns off when the key is out of ignition. However, the amp will not turn off when the car is off and it is draining my battery. I have had to jump my truck several times. When I unplug the remote wire from the fuse box the amp goes off but when I plug it back in it comes on and doesn't go off. I have tried tapping into other fuses (the stereo) but the amp is always on. Does anyone know how to fix this?
 

huberoy123

Member
Nov 6, 2013
400
57
Delaware
You could also experiment with another source for your remote wire. The accessory wire coming off the ignition, or the ignition controlled power wire to the radio, are suggestions. Try to find a wiring diagram online for your vehicle.

If the above suggestions don't solve your issue, wire an in-line switch for the remote wire. Place the switch where it is convenient for you when you are in the driver's seat, and don't forget to turn it off when you leave the vehicle.
 

Buck

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5,000+ posts
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May 19, 2008
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Well, unless you have a wire strand from your amp's power wire sticking into the remote wire terminal, then it looks like your source may not turn off with the key. I suggest you find a better source to tap from.
 
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landon3636

CarAudio.com Newbie
Jan 9, 2021
4
1
North Carolina
  • Thread Starter Thread Starter
  • #4
You could also experiment with another source for your remote wire. The accessory wire coming off the ignition, or the ignition controlled power wire to the radio, are suggestions. Try to find a wiring diagram online for your vehicle.

If the above suggestions don't solve your issue, wire an in-line switch for the remote wire. Place the switch where it is convenient for you when you are in the driver's seat, and don't forget to turn it off when you leave the vehicle.
Thanks, I may look at the ignition wire. I also ordered a high low converter with a built in a switch that I will try if I can't find another source.
 
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landon3636

CarAudio.com Newbie
Jan 9, 2021
4
1
North Carolina
  • Thread Starter Thread Starter
  • #5
Well, unless you have a wire strand from your amp's power wire sticking into the remote wire terminal, then it looks like your source may not turn off with the key. I suggest you find a better source to tap from.
Thanks. I may look into a high low converter with a switch.
 

landon3636

CarAudio.com Newbie
Jan 9, 2021
4
1
North Carolina
  • Thread Starter Thread Starter
  • #7
I would just do a 5 pin relay, and do a 4 pin 12v+ soft turn on with it, they automatically do soft turn on I believe. They're only a few bucks and not hard to wire.
Do you have any images or diagrams using those? I’m not familiar with them and wouldn’t know where to use them at.
 

Louisiana_CRX

dem shoes......
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RELAY_DIAGRAM_large.jpg
 

LsGuy

Manila Gorilla
Sep 11, 2020
407
108
Ohio
I used to always run my amp remotes off of a simple $5 toggle switch mounted on the dash, convenient because you can turn subs off when needed. Agree with what others have said. Check your wiring on the amp to make sure the power and remote wires aren't touching at all. If that's fine, look for another remove source. Your 12v socket may be a good candidate.
 

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