Speaker noise/buzz
3rd Gear Member
Joined: Apr 2011
Posts: 917
From: Wisconsin
It's installed poorly. You can test it by removing the fuse that powers it, the buzzing sound should go away.
It needs to get it's power directly from the fuse block in the engine compartment, They may have tapped off the radio or another power source near it. Sometimes an PI filter is required to keep interference to the car's DC line. You may be able to reduce the noise with a PI filter for your head unit- and each amp. I would not let them filter your radio.
It also needs it own ground. Sometimes grounding to a metal part of the car will cure the prob, sometimes it will need to be grounded at the battery. Some of the new cars cannot have aftermarket items grounded to the battery, not sure if your's is one. Some Fords have a current sensor on the ground side of the battery and aftermarket grounds must be made on the current sensor or the battery will not charge properly.
The alarm antenna wire must be cut to length, if it is too long and wrapped into a coil, this will cause problems.
If it's installed properly, it should be no different that using a phone in your car.
All cars must meet the newest ISO 7637 and ISO 16750-2 standards and they are tested extensively. Every cable and component meets or exceeds all of the standards that prevent it from receiving interference like this, unless someone changes the internal wiring-such as a poor install.
Btw, if you are hearing this electrical noise in the radio, it may also be running in other circuits in your car, nothing good can come of this.
It needs to get it's power directly from the fuse block in the engine compartment, They may have tapped off the radio or another power source near it. Sometimes an PI filter is required to keep interference to the car's DC line. You may be able to reduce the noise with a PI filter for your head unit- and each amp. I would not let them filter your radio.
It also needs it own ground. Sometimes grounding to a metal part of the car will cure the prob, sometimes it will need to be grounded at the battery. Some of the new cars cannot have aftermarket items grounded to the battery, not sure if your's is one. Some Fords have a current sensor on the ground side of the battery and aftermarket grounds must be made on the current sensor or the battery will not charge properly.
The alarm antenna wire must be cut to length, if it is too long and wrapped into a coil, this will cause problems.
If it's installed properly, it should be no different that using a phone in your car.
All cars must meet the newest ISO 7637 and ISO 16750-2 standards and they are tested extensively. Every cable and component meets or exceeds all of the standards that prevent it from receiving interference like this, unless someone changes the internal wiring-such as a poor install.
Btw, if you are hearing this electrical noise in the radio, it may also be running in other circuits in your car, nothing good can come of this.
Thread Starter
Joined: Nov 2014
Posts: 7
From: Iowa
Thank you Chromeshadow and everyone that posted. Supposedly the remote start install company is pretty reputable in our area but sounds like they messed up. I will contact them again and see what they are willing to do to fix the problem.
Thread Starter
Joined: Nov 2014
Posts: 7
From: Iowa
Keeping my fingers crossed my problem has been resolved. I took mustang back to Viper remote start installer and had them listen to the youtube recording I posted. they contacted Viper and were told that this is a known issue. I took a couple of tries by the installer as they had to move the module around, but I've had the car 3 days and so far no noise.
Official Ford Rep
Joined: Oct 2010
Posts: 1,075
From: MI
Keeping my fingers crossed my problem has been resolved. I took mustang back to Viper remote start installer and had them listen to the youtube recording I posted. they contacted Viper and were told that this is a known issue. I took a couple of tries by the installer as they had to move the module around, but I've had the car 3 days and so far no noise.
Deysha
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