17 focus st brake and signal buzzing

8-Channel Interactive Signal Processor w/ Integrated iDatalink Maestro Module
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walterdailey73
New User
Posts: 6
Joined: Tue Jan 14, 2020 10:33 pm

17 focus st brake and signal buzzing

Post by walterdailey73 »

Having issues with my dsr-1. I’m running a Rockford prime 600.5 amp with Memphis VIV components and a Memphis 1244 sub.
The issue is that when I step on the brake or use the turn signal I get a buzzing noise coming from the speakers and as soon as I let off it stops.. I relocated my ground wire within 7” of the amp and all wires are run separate of the power wire. When I switched the filter from high pass to low pass on the amp the noise disappeared. And I can clearly hear that the system is on with a high pitched hiss at all times and sometimes I get rev hissing as well. Any help would be great. I just flashed the dsr1 the other night with both Rockford and Idata. Rockford support said its and idata issue to come here. HELP

walterdailey73
New User
Posts: 6
Joined: Tue Jan 14, 2020 10:33 pm

Re: 17 focus st brake and signal buzzing

Post by walterdailey73 »

So just an update, I did ground all 4 wires coming out of the vehicle harness side that run into the dsr1. I connected them to the amplifier ground point in the car. There are 4 grounds coming out of the vehicle harness and then get ran into 1 single ground that goes into the dsr1 this seems to be a problem for this harness as I am not the only person that has had this issue with the ford harness for the dsr1. Hopefully this fixes this issue as well as I now have any and all wires separate from each other. power, ground, rcas, speaker wires. Now if I could just figure out why my system sounds like it’s on at full volume even when it’s not playing or the car is off and the accessory is turned on. There is background noise like it’s at full volume but nothing is playing. Anyone else have this issue?

fastestneon
12Volt Specialist
Posts: 7
Joined: Sun Nov 25, 2018 5:46 pm

Re: 17 focus st brake and signal buzzing

Post by fastestneon »

A hiss while the unit is on (engine off, but ACC on) and nothing is playing is usually the result of bad tuning.. Maxing out the gains causes this problem. Lower the gains and see if this goes away.
Jeffrey
Lead Installer
Best Buy

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