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Wiring diagram for blend door

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Old Jun 30, 2022 | 05:25 PM
  #1  
Rocket Surgeon!'s Avatar
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From: IN
Wiring diagram for blend door

As stated, can anyone provide the wiring diagram information for the wires in the six slot connecter that is for the HVAC blend door motor?

No other issue at this moment.

Thanks!

Last edited by Rocket Surgeon!; Jun 30, 2022 at 06:11 PM.
Old Jun 30, 2022 | 08:07 PM
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donbrew's Avatar
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This is the best I could do

Top is the BCM


Old Jun 30, 2022 | 08:51 PM
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greg8453's Avatar
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Originally Posted by donbrew
This is the best I could do

Top is the BCM

Looks to be all there. That's very good.

Last edited by donbrew; Jun 30, 2022 at 10:05 PM.
Old Jun 30, 2022 | 10:03 PM
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When quoting in a post you can delete the images to save space and bandwidth for those with phones.
Old Jul 1, 2022 | 10:19 AM
  #5  
Rocket Surgeon!'s Avatar
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Thank you!

Studying how it works in comparison to similar blend door motors in other vehicles. They seem to revise the wiring pinout but the units physical mounting, function, and range are identical.

For both blend door motors, it appears that..

slot 5 Positive voltage feed, key on
slot 6 control, from hvac knob
slot 7 Ground
slot 8 no pin, not used
slot 9 position (for external feed back)
slot 10 5 volt refence, (for external feed back)

Not sure about how the external feedback works. It might throw a code if blend motor does NOT follow command? Earlier vehicles did not have feedback included.
It is possible wire 6 and 9 are transposed, test pending.

Last edited by Rocket Surgeon!; Jul 8, 2022 at 12:21 PM. Reason: typo
Old Jul 1, 2022 | 10:30 AM
  #6  
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A lot of sub systems in cars come from common vendors. I would not be surprised to find that any given sub system in a HHR is also found in a Ford with slight alterations. There are only so many ways to do some things. Especially since the Delco spin off.
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