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  #21  
Old 01-01-2018, 11:03 PM
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According to the wiring diagram (you have Benltey manual right?) the rear seat heaters get power from the unloader relay. Green/white wire to the rear seat htr switch.
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  #22  
Old 01-01-2018, 11:06 PM
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I haven't checked the relays. I I will see if any next to it are the same and try swapping.

I saw this on here, I will double check the bentley manual also.


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  #23  
Old 01-01-2018, 11:36 PM
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That picture is correct, the missing relay is the one you need to have.
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  #24  
Old 01-01-2018, 11:38 PM
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Quote:
Originally Posted by snik View Post
I haven't checked the relays. I I will see if any next to it are the same and try swapping.

I saw this on here, I will double check the bentley manual also.


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Use the relay from the rear window defroster next to the seat heater relay to test. They are the same.
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  #25  
Old 01-01-2018, 11:41 PM
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Originally Posted by Overboost View Post
Use the relay from the rear window defroster next to the seat heater relay to test. They are the same.


Ok thanks. I'll try that.


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  #26  
Old 01-04-2018, 12:14 AM
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Ok guys. Swapped the rear seat heater relay with the rear window. No dice, still no heat on the rear seats. What gives?
What else can I try?


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  #27  
Old 01-04-2018, 12:50 AM
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check for power on the green/white wire going to the switch
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  #28  
Old 08-29-2021, 05:10 AM
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Anyone got a pinout for that switch?
Trying to figure out how exactly it functions
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  #29  
Old 08-29-2021, 06:04 AM
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Originally Posted by Bmwe5320023.0 View Post
Anyone got a pinout for that switch?
Trying to figure out how exactly it functions
here ya go... switch S68 is the left switch...
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  #30  
Old 08-29-2021, 06:06 AM
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Originally Posted by Bmwe5320023.0 View Post
Anyone got a pinout for that switch?
Trying to figure out how exactly it functions
https://bmwteka.com/wds/en/e53/7f676533
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