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Speakers humming/white noise with new everything from tech12v

Discussion in 'Audio & Video' started by Millerlowlife, May 26, 2021.

  1. May 26, 2021 at 9:10 AM
    #1
    Millerlowlife

    Millerlowlife [OP] New Member

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    So I have a 17’ non jbl CM and couldn’t take the terrible sound system anymore, so I opted to go down the rabbit hole of a upgrade while keeping the factory HU. I researched read reviews and went with tech12volt, James had a decent deal for $1100 and fantastic reviews so I ordered all new speakers, (2)10’s, Jbl club amp, sub box,his wiring harnesses etc. Figured it would be a no brainer just take my time and Install per the instructions. Cool, super easy you’d think. Run the wires plug it all on and boom, bitchin system. Not the case for me, I have the dreaded hissing /white noise sound from my speakers. (Not to be mistaken for the alternator whine). Spoke to James and he says “Bluetooth causes it to make that noise, he Recommended I upgrade the HU and I’ll be good. So I ordered the kenwood ddx9907xr for $9XX.00 which came with everything needed. I Installed it 90% of the way and turned it on and I still had the same noise. F&$K!!!! So I paid the local shop to tune the amp and make all the wire fit behind the HU and check my install incase I missed anything for there hourly rate. They said it seemed to be good and they would keep looking for more money to fix the sound. I called James he thought maybe it was the amp so I swapped it out however same issue. WTF. James and I have been talking but he think its something to do with the truck, he has never seen this before. Ive been looking at videos, reading threads to see if anyone has had the issue and come up with a fix.

    Now I’m in this $2200 and have this low humming white noise sound that I hear over my Bluetooth calls and radio at low volume. Im pissed anyone able to help with suggestions.


    Here is what we have done: let me know what I’ve missed:

    ⁃Gains all the way down, I can hear it
    ⁃ With the head unit off & volume off I can hear it
    ⁃ With the rca disconnected I hear it
    ⁃ Removing the remote wire and jumping it from hot on amp I hear it.
    ⁃ Picking up and holding amp hot/red amp wire away from everything and all wires I can hear it
    ⁃ Ground is to factory amp screw hole with paint removed sits on bare metal
    - double checked ground with running a wire directly to battery
    - Grounded wire from headunit to amp james idea
    - Disconnected tech 12volt remote start
    -Disconnecting one speaker wire at a time from amp no difference
     
  2. May 26, 2021 at 9:25 AM
    #2
    1lowlife

    1lowlife Toxic prick and pavement princess..

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    Sorry for all the questions:

    1. Is the noise thru all speakers?
    Front door, rear door, dash speakers (if connected)?

    2. How did you run the amp power line from the battery?
    What route did you take driver's or passenger's side?
    DO you have any speaker wires running close to/along side that amp power wire?

    3. What gauge is your speaker and amp wire?
    Is it copper or CCA (copper-clad aluminum) wire?
    Who made the wire?

    4. What kind of fuse (and what size) did you use between the battery and the amp?

    5. Are the dash speakers connected to the HU, the amp, or connected at all?
    I know you stated disconnecting 1 speaker at a time.
    Did you try disconnection just the dash speakers?
    If you disconnect (unplug at the speaker) both of the side dash speakers it will disconnect the center as well.

    6. Did you run the new Bluetooth mic that came with the Kenwood?
    That shouldn't be the problem since you had the issue before the new HU.

    7. Did you remove/bypass the stock factory amp?

    You know it's not the HU, or the amp.
    Since you disconnected each speaker I'd guess they aren't the problem.

    I'd guess something is grounded somewhere in the system.
    Make sure all your crimped or soldered wire connections are tight and covered, with no stray wires sticking out.
    If you used the AutoHarnessHouse amp adapter, triple check your wiring.
    The different colors can make it all confusing..

    AutoHarnessHouse

    I know you're frustrated, I've been there.
    Hopefully more members, with more knowledge that I (wouldn't take much), will chime in.
     
    Last edited: May 26, 2021
    81 TOY and TRDFerguson like this.
  3. May 26, 2021 at 9:29 AM
    #3
    eick

    eick New Member

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    Yep probably grounding issue
     
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  4. May 26, 2021 at 9:54 AM
    #4
    Millerlowlife

    Millerlowlife [OP] New Member

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    @1lowlife
    1. Is the noise thru all speakers? Yes just door speakers, dash speakers are silent and just replaced them with new ones
    Front door, rear door, dash speakers (if connected)?

    2. How did you run the amp power line from the battery? Amp wire from battery on drive side to firewall to passanger side where it goes through the gromet to under passanger seat.
    What route did you take driver's or passenger's side?
    DO you have any speaker wires running close to/along side that amp power wire? I even lifted the power wire and suspended it from oh shit handle with no differnce still buzzing.

    3. What gauge is your speaker and amp wire? 4 gauge wire kit was provided by tech12volt not 100% sure who made it didn't pay attention ill look what wire says this evening
    Is it copper or CCA (copper-clad aluminum) wire?
    Who made the wire?

    4. What kind of fuse did you use between the battery and the amp? It came in the Kit, I will double check, I mounted the fuse to driver side fender between top of hood shock(when closed) and battery

    5. Are the dash speakers connected to the HU, the amp, or connected at all? Dash Speakers are connect to HU (I upgraded them to Audiosfrog GS25) when i swapped out to new phonix amp, I will disconnect them later
    I know you stated disconnecting 1 speaker at a time.
    Did you try disconnection just the dash speakers?
    If you disconnect (unplug at the speaker) both of the side dash speakers it will disconnect the center as well.

    6. Did you run the new Bluetooth mic that came with the Kenwood? YES new Mic
    That shouldn't be the problem since you had the issue before the new HU.

    7. Did you remove/bypass the stock factory amp? Before Installing the Big boy 5 channel amp i was using the little alpine
    KTP-445U - Alpine with no issues. it just never gave me the ump i was looking for.


    You know it's not the HU, or the amp.
    Since you disconnected each speaker I'd guess they aren't the problem.

    I'd guess something is grounded somewhere in the system.
    Make sure all your crimped or soldered wire connections are tight and covered, with no stray wires sticking out.
    Are you talking just to the stereo stuff i install or everything thoughout the truck?


    I know you're frustrated, I've been there.
    Hopefully more members, with more knowledge that I (wouldn't take much), will chime in.
     
  5. May 26, 2021 at 10:07 AM
    #5
    TRDFerguson

    TRDFerguson SSEM #99/RGBA #8-ish?/It’s a funny name.

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    Have you done anything else aftermarket electrical besides the audio? Definitely has the symptoms of a bad ground or dirty power, but not really sure how you'd go about tracking that down. Maybe start pulling fuses, but that sounds terrible lol
     
    1lowlife likes this.
  6. May 26, 2021 at 10:09 AM
    #6
    FUBAR

    FUBAR New Member

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    When you replaced the HU did you run RCA's to the amp and do away with the harness? If so then there has to be something in the harness connecting the door speakers to the amp. Did you sand down the paint good when hooking up the ground?
     
  7. May 26, 2021 at 10:10 AM
    #7
    apwisher

    apwisher New Member

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    I had some crackling noise/white noise when I hooked up my system (also tech12volt) into a new Kenwood HU and 5 channel amp. I searched for a while at the amp and speakers, only to finally discover a ground wire behind the HU came apart and was not grounding correctly. I re-made that connection and it fixed the problem.
     
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  8. May 26, 2021 at 10:12 AM
    #8
    1lowlife

    1lowlife Toxic prick and pavement princess..

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    That is interesting..
    So you bypassed or removed the stock amp then.

    Just the stereo stuff.

    It is interesting to me that this issue started with the new equipment and wiring.

    Did James make the harness for the new amp for the underseat connections, or did you do it yourself using the AutoHarnessHouse adapter with the KTP-445U?

    After rereading your OP, something has got to be grounding out somewhere.
    So you can hear it the HU and amp off?

    Did you run new speaker wire to the speakers or are you using OEM stock wiring?


    A link you might (and might not) find this useful in checking all the connections.
    Although the wiring may be different colors in your 2017.

    Amp wiring | Toyota Tundra Forum (tundras.com)

    Being you had the issue with the Entune and also with the RCAs unplugged with the Kenwood, I'd assume it has nothing to do with either HU.
     
    Last edited: May 26, 2021
  9. May 26, 2021 at 10:13 AM
    #9
    eick

    eick New Member

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    Run a ground cable temporarily all the way to the battery ground and connect it to the amp and see if it still does it
     
  10. May 26, 2021 at 10:20 AM
    #10
    1lowlife

    1lowlife Toxic prick and pavement princess..

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    He tried that, it is in the OP.
     
  11. May 26, 2021 at 2:28 PM
    #11
    Millerlowlife

    Millerlowlife [OP] New Member

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    I have the tech12volt remote start, which i unplugged from OBDII and it still made noise, James also assured me that one has nothing to do with the other. I have power running to my leer top that is tied into my driver door locks has power from battery (Going to check that tonight)
    I have NO idea how to chase any and all the grounds.
     
  12. May 26, 2021 at 2:32 PM
    #12
    Millerlowlife

    Millerlowlife [OP] New Member

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    I have done that... no dice, didn't work
     
  13. May 26, 2021 at 2:41 PM
    #13
    Millerlowlife

    Millerlowlife [OP] New Member

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    @1lowlife
    After rereading your OP, something has got to be grounding out somewhere.
    So you can hear it the HU and amp off? YES , Correct.

    Did you run new speaker wire to the speakers or are you using OEM stock wiring?
    Using factory, James says its a bitch to pull new wires


    A link you might (and might not) find this useful in checking all the connections.
    Although the wiring may be different colors in your 2017.
    I check it out.

    Amp wiring | Toyota Tundra Forum (tundras.com)

    Being you had the issue with the Entune and also with the RCAs unplugged with the Kenwood, I'd assume it has nothing to do with either HU.
     
    1lowlife likes this.
  14. May 26, 2021 at 2:43 PM
    #14
    Millerlowlife

    Millerlowlife [OP] New Member

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    Yes i pulled new RCA from HU down center console to under passenger seat to amp. Yes i went down to bare metal in cab for the ground. agreed something in harness is grounding out.
     
  15. May 26, 2021 at 2:49 PM
    #15
    AircareTundra

    AircareTundra New Member

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    Following this thread because of audio issues in my Tundra. Seems to be more tied into the use of bluetooth for spotify etc...etc...or if on calls.

    Sometimes lose all audio and then when switching off bluetooth to CD or FM etc....still will not have sound. Until you turn truck off then back on which kind of reboots the system.

    Have had the issue with both factory HU and now the Kenwood flush mount CD/Receiver.

    Was described as possibly being from the factory amp shutting things down if it is not getting enough of a constant signal.

    Have an appointment soon to try and bypass or eliminate the factory amp to help fix (fingers crossed) this issue.
     
  16. May 26, 2021 at 3:06 PM
    #16
    Millerlowlife

    Millerlowlife [OP] New Member

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    I had issues with my factory HU and loss of connection etc. toyota replaced with a new/refurbrished lemon and on the 3 HU we figured all my issue started when i paired my wifes Apple ear pods, and it was searching for them, Once I removed them from my bluetooth list... problem solved.
     
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  17. May 26, 2021 at 3:25 PM
    #17
    liddown

    liddown New Member

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    A bit of shot in the dark, pull your harness connectors apart and make sure you don't have any bent or smashed pins in the male parts of the connectors...
     
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  18. May 26, 2021 at 3:27 PM
    #18
    eick

    eick New Member

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    So you’re hearing a hum with the head unit off and also with the amp powered off?

    And only the door speakers not the dash speakers?
     
  19. May 26, 2021 at 3:32 PM
    #19
    Danimal86

    Danimal86 Looks clean even when its dirty!

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    What kind of rca's are you using?

    With the stereo on, disconnect the rca's at the amp, is there still static?
     
  20. May 26, 2021 at 3:43 PM
    #20
    Millerlowlife

    Millerlowlife [OP] New Member

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    Yes With the Key on position and i manually power down the HU to be off, i hear noise through the door speakers nothing from the dash.
     
  21. May 26, 2021 at 3:45 PM
    #21
    Millerlowlife

    Millerlowlife [OP] New Member

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    Not sure one the brand they seemed nice they came for tech12v , Correct if i pull my RCA there is still noise.
     
  22. May 26, 2021 at 3:45 PM
    #22
    Millerlowlife

    Millerlowlife [OP] New Member

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    I will double check.
     
  23. May 26, 2021 at 3:48 PM
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    Danimal86

    Danimal86 Looks clean even when its dirty!

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    Can you post a picture of the control knobs/switches you have on the amp?
     
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  24. May 26, 2021 at 3:49 PM
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    1lowlife

    1lowlife Toxic prick and pavement princess..

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    ^ Good idea.
    See if it still hums with and without power...


    I just noticed your screen name.
    Are we related???:p:thumbsup:
     
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  25. May 26, 2021 at 4:08 PM
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    Millerlowlife

    Millerlowlife [OP] New Member

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  26. May 26, 2021 at 4:11 PM
    #26
    Elduder

    Elduder New Member

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    If dash speakers are running via the HU and are good, while the door speakers are exhibiting a high noise floor, I would recheck your gain setting.

    Try simply lowering it all the way and see if the noise reduces.

    Sorry if I've missed something that has already been covered, this thread is getting a lot of attention. But from the quick read through, even with the speakers and HU not playing an over adjusted gain will raised the static noise that is present in the system.
     
  27. May 26, 2021 at 4:27 PM
    #27
    Millerlowlife

    Millerlowlife [OP] New Member

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    New
    I have tried that, on a JBL 5 channel and Phonix 5 channel same noise
     
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  28. May 26, 2021 at 4:30 PM
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    W3agle

    W3agle New Member

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    If we assume a faulty component, what would be the most likely culripts? Head unit? Amp? Is there anything else that would explain how this noise is coming out of all of the newly installed speakers? Could all of the speakers be bad?
     
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  29. May 26, 2021 at 4:32 PM
    #29
    eick

    eick New Member

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    EMI on the door speaker wires?

    run one new speaker cable to front door speaker and see if sound goes away on that speaker maybe
     
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  30. May 26, 2021 at 4:33 PM
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    Elduder

    Elduder New Member

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    If OP tried two amps, I feel confident that would rule out the amp at least.

    I know the Kenwoods have settings to adjust/boost the gain from the HU itself. Under the audio settings page there are options to increase the input volume from different soruces, also the sound effect page has loudness settings as well as room size, both can raise the noise floor.
     
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