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Canbus wiring issue

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Old Jul 24, 2016 | 07:02 PM
  #1  
realien's Avatar
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From: Atlanta
2016 AMG GTS
Canbus wiring issue

I'm trying to determine if I screwed something up installing a canbus decoder for an aftermarket headunit.

2005 w211 E55 AMG

I've tapped the red/brown and brown wire in driver side raceway. i checked the voltage and saw nothing on the volt meter, I assume I'd see something.

I checked the audio gateway, and general gateway fuses and they are both fine. the regular display, paging, heated seats, locks etc all work, which I assume are also on canbus.

See pic of wires I tapped and tested...


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Old Jul 25, 2016 | 08:04 AM
  #2  
realien's Avatar
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From: Atlanta
2016 AMG GTS
Originally Posted by realien
I'm trying to determine if I screwed something up installing a canbus decoder for an aftermarket headunit.

2005 w211 E55 AMG

I've tapped the red/brown and brown wire in driver side raceway. i checked the voltage and saw nothing on the volt meter, I assume I'd see something.

I checked the audio gateway, and general gateway fuses and they are both fine. the regular display, paging, heated seats, locks etc all work, which I assume are also on canbus.

See pic of wires I tapped and tested...


Xtrons told me to wire the canbus connections here




Can anyone tell me where that is on the car? I don't know if thats trunk or drivers side footwell, or even inside the center console..
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Old Jul 25, 2016 | 11:28 AM
  #3  
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From: South Carolina
03 C32 amg, 2002 ML320
I can send schematics of your exact car if you can provide the VIN.
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Old Jul 25, 2016 | 04:26 PM
  #4  
realien's Avatar
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From: Atlanta
2016 AMG GTS
Originally Posted by Gcarpenter
I can send schematics of your exact car if you can provide the VIN.
Thanks Man! its WDBUF76J15A763802
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Old Jul 25, 2016 | 09:19 PM
  #5  
realien's Avatar
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From: Atlanta
2016 AMG GTS
I tested two more wires, found a twisted pair..

one registered under 1v, the other about 4v..


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Old Jul 26, 2016 | 07:16 AM
  #6  
Gcarpenter's Avatar
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From: South Carolina
03 C32 amg, 2002 ML320
These should be a start, I have more if needed.

This are for the VIN you provided.
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Old Jul 26, 2016 | 08:28 AM
  #7  
realien's Avatar
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Joined: Feb 2007
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From: Atlanta
2016 AMG GTS
Originally Posted by Gcarpenter
These should be a start, I have more if needed.

This are for the VIN you provided.
Thanks Man, I really appreciate it!
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Old Jul 26, 2016 | 09:47 AM
  #8  
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Joined: Dec 2012
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From: South Carolina
03 C32 amg, 2002 ML320
No problem, let me know if you need more.
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