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Axxess AFDI-5V

12-volt to 5-volt converter — eliminates the turn-on "thump" in Ford-built vehicles with amplified systems

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  • Axxess AFDI-5V

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  • Axxess AFDI-5V
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Item# 120AFDI5V offer details

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Metra

If you've replaced the radio in your Ford, Lincoln or Mercury, you've heard an audible "thump" sound when you turn on the power. The reason? Your Ford radio sent 5 volts to turn on the factory amp, not the 12 volts that your new car stereo delivers. In other words, the amp is simply getting too much juice.

This AFDI-5V converter from Axxess will drop that voltage down to 5 volts, which the factory amp can handle better for an easier (and quieter) start. Warranty: 60 days.

See more info on this item

Note: Most vehicles will require additional installation parts — please identify your vehicle if you haven’t done so, then check here for a list of parts. You can also call an Advisor for more information.

 

Hands-on research from the Crutchfield Labs (what are the Labs?)

What’s in the box? | In-depth notes

Product Research

Product Research
What's in the box?

Download owner's manual

  • 12-volt to 5-volt converter harness
  • Instructions

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team — they open the box, verify contents, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

Features

Overview: When replacing factory radios in vehicles with factory installed amplifiers (mainly in Ford, Lincoln, and Mercury vehicles), an audible "pop" through the speakers may be heard; especially the subwoofer. The main reason for this "pop" noise is that the factory amplifiers do not require 12-volts to turn on, but instead require 5-volts. The Axxess AFDI-5V 12-volt to 5-volt converter takes a normal 12-volt turn-on from an aftermarket head unit and drops it down to 5-volts, which the factory amplifier handles better. A 3-wire hook-up makes the AFDI-5V simple to install.

  • Connect the Blue/White wire to the aftermarket head unit's amplifier turn on wire.
  • Connect the Black wire to chassis ground.
  • Connect the Blue/Red wire to the vehicle's factory amplifier turn-on wire.
 

Product Reviews

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Reviews for the Axxess AFDI-5V

Average Customer Review:

15 people say:

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Showing: 1-15 of 15
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5 out of 5

No Pop

Written By Anonymous, Corydon, IN on Sunday, May 19, 2013
Installed in a 2001 Ford Mustang
Crutchfield Customer Review (What's this?)
 
This did the job! There was absolutely no popping sound from the factory amp at all.
Was this review helpful?    Yes | No
 
5 out of 5

Axxess AFDI-5V

Written By Roy, MD on Saturday, May 18, 2013
Crutchfield Customer Review (What's this?)
 
Just connect up as instructed and no pop.
Was this review helpful?    Yes | No
 
5 out of 5

Worked Great

Written By Tom, Frederick, MD on Thursday, May 16, 2013
Installed in a 2006 Ford Mustang
Crutchfield Customer Review (What's this?)
 
worked flawlessly. just what i needed. easy to install. Excellent Crutchfield tech support to clear up one small question.
Was this review helpful?    Yes | No
 
1 out of 5

Volt Reduction Harness

Written By Eric, Salt Lake City, UT on Saturday, May 11, 2013
Crutchfield Customer Review (What's this?)
 
Either this items does not work or we hooked it up wrong. I am guessing we hooked it up wrong. The instructions for this item were probably the some of the worst we have encountered. It appeared that they used different terminology for some of the wires than JVC did for their wires. Needless to say, we hooked it up but the "pop" is still there and is annoying. I have no desire to spend another 2-3 hours trying to fix it, and I'm not sure I could anyway.
Pros:
At this point there are none. Just a waste of money.
Cons:
Instructions are not clear. Item is not working as advertised. As I said above, terminology used for the wires is not the same. I think if you do this sort of thing all the time you probably won't have an issue. For all I know it is hooked up correctly and just doe not work but I may never know.
Crutchfield response on Tuesday, May 14, 2013
We forwarded this review to our Technical Support team for follow-up. Lifetime tech support comes with every Crutchfield purchase.
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5 out of 5

Axxess AFDI-5V

Written By Anonymous, pa on Wednesday, May 08, 2013
Installed in a 2005 Ford Mustang
Crutchfield Customer Review (What's this?)
 
great
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5 out of 5

Voltage converter

Written By Anonymous, Lowell,IN on Monday, May 06, 2013
Installed in a 2006 Ford F-150
Crutchfield Customer Review (What's this?)
 
Great little device
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5 out of 5

Gets rid of the turn on thump

Written By WRS, Casper, WY on Saturday, May 04, 2013
Installed in a 2006 Ford Expedition
Crutchfield Customer Review (What's this?)
 
Easy to install and works perfectly.
Pros:
Easy to install
Cons:
None
Was this review helpful?    Yes | No
 
5 out of 5

Didn't even know I needed it!

Written By John W, Massapequa Park, NY on Saturday, May 04, 2013
Installed in a 2005 Ford Mustang
Crutchfield Customer Review (What's this?)
 
I had no idea that anything like this was even necessary. It has been over 30 years since I've installed a stereo into a car but Crutchfield made the experience as easy as could be. This harness drops the amp voltage from 12 volt to 5 volt and eliminates the loud pop at boot up if you have too much voltage. Works perfectly!
Pros:
Simple straightforward easy installation.
Cons:
None!
Was this review helpful?    Yes | No
 
1 out of 5

They all can' be perfect.

Written By Hal H, Clover, SC on Monday, April 29, 2013
Crutchfield Customer Review (What's this?)
 
The piece was sent separately after I described a loud popping noise comming from my new Kenwood CD receiver. After installing it, the stereo no longer worked. (The technician told me it should have been included in the installation package so it was free.) Trouble shooting it with the technician revealed it was defective. They offered to replace it but also suggested if i was in a hurry, i could get one off the shelf at a local electronics store. I was in a hurry... The point of this is the invoice sent with the Axxess listed it at over $$ while down the street it cost $. Granted, I had to solder 3 wires and cover it with a piece of heat shrink but for the price and 10 minutes work, well, it was a good thing it was free.
Pros:
Preassembled, ready to go and it will eliminate the "pop".
Cons:
I was defective. (and potentially expensive)
Was this review helpful?    Yes | No
 
5 out of 5

Axxess AFDI-5V

Written By Anonymous, Llano, TX on Wednesday, April 24, 2013
Installed in a 2004 Ford F-150
Crutchfield Customer Review (What's this?)
 
Does what it's supposed to do. No pop.
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5 out of 5

12 to 5v converter

Written By tarek, la, ca on Friday, April 19, 2013
Crutchfield Customer Review (What's this?)
 
fits schematic perfect
Pros:
installed like crutfield said for my stock bass in my explorer sport trac 2002. i guess this is necessary to reduce the volts to my stock sub from the new pioneer receiver?
Was this review helpful?    Yes | No
 
5 out of 5

Works as advertised

Written By RandyD, Arlington, TX on Tuesday, March 26, 2013
Installed in a 2005 Ford Mustang
Crutchfield Customer Review (What's this?)
 
Easy to connect to the wiring harness, and completely prevents an audible "pop" when the receiver/amp powers on.
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5 out of 5

works as advertised.

Written By Scott S, Riverton, WY on Tuesday, February 26, 2013
Installed in a 2007 Ford Mustang
Crutchfield Customer Review (What's this?)
 
Since this came for free with my receiver, I can't gripe. I didn't try the system without it, so I can't say for sure that it was needed. What I do know is that I don't get a voltage pop and it performed without a hiccup.
Pros:
simple instructions
Cons:
none
Was this review helpful?    Yes | No
 
5 out of 5

Axxess AFDI-5V

Written By Anonymous, waterloo, iowa on Tuesday, February 05, 2013
Installed in a 2002 Ford Explorer
Crutchfield Customer Review (What's this?)
 
Worked very nicely
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5 out of 5

Solved the Thump sound in my Ford Escape

Written By Maddog, Pennsylvania on Sunday, October 28, 2012
Installed in a 2003 Ford Escape
Crutchfield Customer Review (What's this?)
 
The 03 Ford Escape had the Mach Sound system with built-in Subwoofer. The Sub would make a loud thump sound when you turned the key ignition on. This product solved that issue and the Sub works with no issues. Great idea!
Pros:
Worked like a charm. Easy installation.
1 out of 1 people found this helpful
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For a more in-depth review and enhanced detailed information on the Axxess AFDI-5V, please visit the Crutchfield website product page (/S-QCMFd85vRSv/p_120AFDI5V/Axxess-AFDI-5V.html ).

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    Axxess AFDI-5V