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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

181 Reviews | 4 questions - 6 answers

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Overview

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.

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.

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

This wire was perfect they let me use my existing factory amps

Anonymous, Stafford, VA

What's in the Box:

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

Axxess AFDI-5V Reviews

Average Customer Review(s):

(181 Reviews)
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Details

Hands-on research

Product Research

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.

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 verify what’s in the box, 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.

Q & A

Customer Q&A

Crutchfield asked  
Why did you buy this?

Discounted price [ GERARDO  Jun 11, 2017 ]
Good item [ mitch  May 24, 2017 ]
I didn't choose it, it was automatically added [ BRIAN  May 16, 2017 ]
easy install for aftermarket stereo [ Karl  May 10, 2017 ]
Recommended for installation [ David  May 07, 2017 ]
Satisfies unique 5V power supply issue with Ford vehicles. [ Richard  May 01, 2017 ]
2007 mustang needs [ E  Apr 17, 2017 ]
Needed to correct the thump sound for my factory amplified speakers [ TUCKER  Apr 02, 2017 ]
tech advice [ Steven Joseph  Mar 30, 2017 ]
Helps [ Robert  Mar 26, 2017 ]
Crutchfield info says that I need this for the factory amp to work, I trust their expertise, haven't steered me wrong before. [ darrell lee  Mar 24, 2017 ]
Turns out my vehicle makes a popping sound when starting the vehicle after replacing the stock stereo. An excellent deal when combined with the stereo I purchased! Thank you Crutchfield. [ Jordan  Mar 08, 2017 ]
Awesome [ Dean  Mar 07, 2017 ]
it fits too [ greg  Mar 02, 2017 ]
required [ Darrell  Mar 02, 2017 ]
Recommend so I knew I would need it. [ Paul  Feb 25, 2017 ]
Suggested for installation [ Mark Jason  Feb 25, 2017 ]
apparently helps amp pop or something. [ lisa  Feb 17, 2017 ]
Another item for that professional look [ William  Feb 08, 2017 ]
So that I won't hear the loud sub woofer thump when the car stereo is turned on. [ Steven  Feb 08, 2017 ]
Easy to install [ Robert  Feb 01, 2017 ]
Supposed to fit wife's Thunderbird [ A  Jan 31, 2017 ]
Fits my car [ Shannon  Jan 18, 2017 ]
Came with install kit [ Daryl  Jan 13, 2017 ]
Good product [ GARY  Jan 11, 2017 ]
Suggestion from you [ wrhfl200  Dec 05, 2016 ]
needed for installation [ Bryan  Nov 30, 2016 ]
Required for install [ Daniel  Nov 29, 2016 ]
Protect factory sub and amp from aftermarket HU turn on pop. Ford Escape 07 [ Donna  Nov 23, 2016 ]
recommended by you [ Mark  Nov 22, 2016 ]
Recommended by Crutchfield automatically. [ Daniel  Nov 16, 2016 ]
I was told by a crutchfield agent that I would need this. [ gabriel  Nov 11, 2016 ]
Came with the offered kit. Didn't know this was even available. Love it! [ Jacob  Nov 08, 2016 ]
Needed [ eric  Oct 30, 2016 ]
This harness reduces the 12v vehicle to 5v which is needed by the subwoofer in order to eliminate the "pop" from the speakers when turning on your head unit. [ Charles  Oct 25, 2016 ]
Recommended [ Mark A  Oct 24, 2016 ]
no thump no problem [ Brian  Oct 24, 2016 ]
Recommended to avoid amp thump. [ Floyd  Oct 09, 2016 ]
Recommendation from Larry on chat [ Hugh  Sep 28, 2016 ]
Recommended Choice and Free [ Keaton  Sep 27, 2016 ]
Recommended by Crutchfield [ Roger  Sep 22, 2016 ]
Proper installation. [ Jeffrey Jay  Sep 17, 2016 ]
The Crutchfield write up about upgrading our 2002 Ford Escape explained the need for this item. We had installed our aftermarket stereo & speakers and kept hearing a pop or thump from stock amp. Other reviewers reported it fixed the problem. Looking forward to installing this part. [ Carolyn  Sep 05, 2016 ]
To upgrade my factory speakers. [ Fernando  Sep 03, 2016 ]
B/c I have a Ford with an amp. [ Jennifer  Sep 01, 2016 ]
recommended by crutchfield [ Edward  Aug 29, 2016 ]
recommended by expert [ C  Aug 28, 2016 ]
Part of the kit. Not really sure what this does, but I guess I'll find out.... [ Charles  Aug 28, 2016 ]
To eliminate amp noise [ Dustin  Jul 26, 2016 ]
Included in installation kit [ John  Jul 24, 2016 ]
To reduce the power-on thump. [ Ken  Jul 18, 2016 ]
This will eliminate the popping sound every time you turn the radio on when using an aftermarket head unit. [ Alex  Jul 12, 2016 ]
i needed it [ Tena  Jul 03, 2016 ]
suggested [ Michael  Jul 01, 2016 ]
needed to install aftermarket radio in mustang convertible with factory amplifier [ Advance Auto Pa  Jun 28, 2016 ]
For my truck [ G  Jun 26, 2016 ]
Car kit [ ALAN  Jun 01, 2016 ]
it fits my car and need it [ Roben  May 12, 2016 ]
Because Crutchfield included for free with the Pioneer unit that I purchased. [ Robert  May 11, 2016 ]
It was included with my car installation kit [ Donovan  Apr 29, 2016 ]
Insure installation goes smoothly, and it was no extra charge. [ Larry  Apr 26, 2016 ]
needed to install [ Chester  Apr 20, 2016 ]
Supposed to silence thump using factory sub amp with new receiver. [ Thomas  Apr 18, 2016 ]
Amazing costumer service [ Lizbeth  Apr 09, 2016 ]
New stereo makes speakers thump when turned on [ Karen  Apr 04, 2016 ]
Needed for install [ Don  Apr 01, 2016 ]
I just ordered to install aftermarket radio to replace my factory shaker 500 sistem so let's see. [ Javier  Apr 01, 2016 ]
Free [ John E.  Mar 29, 2016 ]
Fits my 2004 Ford Expedition [ Vincent  Mar 25, 2016 ]
Makes clean install [ Paul  Mar 21, 2016 ]
Must have [ Edgar Enrique  Mar 17, 2016 ]
reduces voltage to eliminate thump in radio [ George  Mar 17, 2016 ]
WAS A RECOMENDED WITH HEAD UNIT I PURCHASED [ RAUL  Mar 15, 2016 ]
Easy hookup [ JEFF  Mar 15, 2016 ]
i have a 06 mustang with the shaker 500 an with a aftermarket radio an when you turn key on an off you get a bump or pop from spreaker's I was hopeing you could fix it an now I know you can !!!! [ matthew  Mar 12, 2016 ]
One of the main reasons I shop Crutchfield. Free gear and easy install. Whoever thinks they can't install a car stereo, they are wrong. The simplified instructions Crutchfield provides is an absolute must have. Been shopping with them since 1991 (out of the catalog and mail back then). [ DWAYNE  Mar 02, 2016 ]
Fits my Ford F-150 [ Jeffrey  Feb 28, 2016 ]
Needed for ford [ carl  Feb 26, 2016 ]
Item used to power factory subwoofer in Ford Escape [ ALEXI  Feb 26, 2016 ]
have to have it to make evrything work right [ jason  Feb 22, 2016 ]
Part of the package when I ordered the stereo. Works fine on my other identical install. [ Kevin S.  Feb 17, 2016 ]
Used this to play DVD's while at car shows. [ Brian  Feb 17, 2016 ]
Worked great [ Mark  Feb 15, 2016 ]
it would help with the way your device works [ marvin  Jan 06, 2016 ]
my expedition's subwoofer would not operate without it [ GERARD  Jan 05, 2016 ]
You have to have this to hookup your sub/w [ Bobby  Dec 15, 2015 ]

4 questions already asked

Review your wiring diagram to find the Amp turn on wire coming from your factory radio going to the factory amp. This is the wire you would connect the blue wire with the red strip. I am not sure of what the color of wire would be in your vehicle as it is different than my son's mustang. [ Concours14  Jul 13, 2016 ]
If you purchased the product from Crutchfield, feel free to contact our Tech Support team. They can walk you through the settings on the product and see if there may be a fix. Our toll-free Tech Support number is printed on your invoice, and is also available under the "My Orders" tab in the "My Account" section of our website. If you did not purchase the unit from Crutchfield, then you may want to contact the manufacturer. You can also post your question in our forums: http://community.crutchfield.com. Or try our online support center: http://crutchfield.custhelp.com/app/answers/list/kw/. [ Krissy  Jul 13, 2016 ]  Staff
I haven't experienced that issue. So I cannot comment or speculate as to why that is happening. I did solder all the wires though when making the connections. I hope you figure it out. [ Daniel  Jul 06, 2016 ]
If you purchased the product from Crutchfield, feel free to contact our Tech Support team. They can walk you through the settings on the product and see if there may be a fix. Our toll-free Tech Support number is printed on your invoice, and is also available under the "My Orders" tab in the "My Account" section of our website. If you did not purchase the unit from Crutchfield, then you may want to contact the manufacturer. You can also post your question in our forums: http://community.crutchfield.com. Or try our online support center: http://crutchfield.custhelp.com/app/answers/list/kw/. [ Krissy  Jul 06, 2016 ]  Staff
For additional details on fit or installation please contact an Advisor by phone (1-800-324-9695) or online chat. They will be able to pull up your vehicle and give you the details on how everything conections and what you will need for an installation in your vehicle. [ Kenny  May 29, 2016 ]  Staff
If you purchased the product from Crutchfield, feel free to contact our Tech Support team. They can walk you through the install. Our toll-free Tech Support number is printed on your invoice, and is also available under the "My Orders" tab in the "My Account" section of our website. If you did not purchase the unit from Crutchfield, then you may want to contact the manufacturer. You can also post your question in our forums: http://community.crutchfield.com. Or try our online support center: http://crutchfield.custhelp.com/app/answers/list/kw/. [ Krissy  Mar 28, 2014 ]  Staff
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