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Left side speakers do not work

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Old Nov 25, 2021 | 03:39 PM
  #1  
Mocking750's Avatar
Mocking750
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6th Gear
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Left side speakers do not work

All threes I’ve seen don’t have any conclusive information.

Issue:
All left speakers do not work. Including bother mid and tweeter speakers. Some crackling from driver door tweeter only.
All right side speakers work properly, subwoofer works.


Vehicle info:
2010 F350 6.4L
Crew Cab
Premium sound system with factory Sync, Sat Nav, DVD Entertainment System.

Additional info:
All fuses have been checked, speakers were swapped. Left speaker works when plugged into right side. (Meaning speakers aren’t blown)
all features on head unit seem to work properly. Just so no one comments this. Yes, the balance and fade were checked.

Any ideas?
 
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Old Nov 25, 2021 | 09:45 PM
  #2  
PJWhelan's Avatar
PJWhelan
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Wires are frayed/stripped and touching some metal in the wiring harness. Check in the doors....
 
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Old Nov 26, 2021 | 12:14 PM
  #3  
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Djosbun
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From: Southwest Ohio
Wire harness inside the door jam. I've fixed many of these, especially on Honda Civics and CR-V.

-- Dave
 
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Old Nov 26, 2021 | 06:35 PM
  #4  
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Very common for the wires to break between the cab and rear doors, I would pull back the rubber boot on the rear doors and see if any of the wires are broken(most likely some will be).

This is from a dodge rear door but same thing happens, this one only had one wire connected still, all the short length ones broke.

 
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Old Dec 13, 2021 | 03:30 PM
  #5  
Mocking750's Avatar
Mocking750
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Upon first inspection I am not finding anything obvious that is broken or disconnected.

All the electronics in both doors work properly, locks, windows, mirrors, etc.
which leads me to believe I and not missing something in the door connector plate.
 
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Old Dec 16, 2021 | 08:32 PM
  #6  
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wangdoodle5
6th Gear
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Im having the same issue but with just the drivers door. i have done the battery test on the speaker and it makes some noise. pulled the radio and wiggled the plugs . Still no luck Does any one know of a way to check voltage at the speaker connection?
and if so what would it be?
 
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