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  #21  
Old 04-22-2021, 11:10 AM
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Quote:
Originally Posted by Overboost View Post
Fuse 74 responsible for:
  • Telematics Control Unit (TCU) or Universal Electronic Charging & hands-free unit (ULF)
  • Voice Input
  • Eject Box
  • Compensator
What are these items?

Eject Box
Compensator
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  #22  
Old 04-22-2021, 11:20 AM
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Quote:
Originally Posted by racebmwm3 View Post
What are these items?

Eject Box
Compensator
I think the eject box was for handheld phone technology that existed in the early 2000's. I think it was wired for provision under the armrest. The compensator I have no idea but probably phone/TCU related.
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  #23  
Old 04-22-2021, 11:20 AM
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Originally Posted by racebmwm3 View Post
What are these items?

Eject Box
Compensator
The TCU is the unit for bluetooth for phone. It is notorious for creating parasitic drain.
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  #24  
Old 04-22-2021, 12:19 PM
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Originally Posted by Fifty150hs View Post
The TCU is the unit for bluetooth for phone. It is notorious for creating parasitic drain.
Quote:
Originally Posted by Overboost View Post
I think the eject box was for handheld phone technology that existed in the early 2000's. I think it was wired for provision under the armrest. The compensator I have no idea but probably phone/TCU related.
Thanks.

Yanked the TCU after charging up my dead battery..... let's see if this works...
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  #25  
Old 04-22-2021, 12:32 PM
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You could have just pulled fuse 74 but removing the TCU achieves the same result identifying the TCU as the issue.
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