Obsolete auxiliary a/c part.

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Aug 17, 2019 | 10:00 AM

jaxomlong

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From: Bayonne, NJ

Obsolete auxiliary a/c part.

Hi- Looking for F75Z-19A522-AA, which is the controller on top of the auxiliary a/c behind the right wheel well. It's a circuit board above the blower that is in with the jack.

Several Ford parts sites are showing it obsolete. Neither my blend door nor my floor ceiling doors are working and this is the first common part up from the acctuators. The potentiometers test good at the ceiling drivers position.

Any help would be appreciated.

David

Aug 17, 2019 | 10:35 AM

Stewart_H

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Try Circuit Board Medics and see if they can help. https://circuitboardmedics.com/

Stewart

Aug 17, 2019 | 11:09 AM

jaxomlong

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Thanks-

Worth a try but I'd like to try a wreck first (I've looked at the site and I don't see a specific service). It's the weekend.

David

Aug 17, 2019 | 11:53 AM

Theboneskes

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Can you post a pic of the part your looking for? Some Expedition parts work on Excursions for AC.

Aug 17, 2019 | 12:39 PM

jaxomlong

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Here's a pic

Quote:

Originally Posted by Theboneskes

Can you post a pic of the part your looking for? Some Expedition parts work on Excursions for AC.

Both the door actuators flow up to this module and both are acting the same way- the motors are pretty centered and just fidgeting a little back and forth. You can see actuators high in the pic. I took one side of the cover off (thank you Canadian guy on YouTube) and watched it.

Last edited by jaxomlong; Aug 17, 2019 at 12:45 PM. Reason: Issues with phone and computer

Aug 17, 2019 | 01:59 PM

01__Excursion

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Are they fidgety when only installed to the air box?
I found this and posted a few pics , as something to consider when trouble shooting airflow issues on the rear system.

https://www.ford-trucks.com/forums/1...-consider.html

Aug 17, 2019 | 02:38 PM

jaxomlong

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No, I tested them off the assembly.

I acctually opened them up with the electrical connectors on and watched the insides while my daughter moved the pots up front. The motors would turn two or three times one way and then two or three times the other while staying pretty neutral. Note this is not the part the inserts into the door- given the gearing of the motor to the actuator the part that moves the door hardly moved at all.

Part of my suspicion is that the actuators were in neutral- both of them. The pots a bout 50-5000 ohms, which is in spec. But the actuators were neutral and didn't go off it enough to matter.

David

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Aug 17, 2019 | 08:10 PM

Kapusta

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Would it be worthwhile to try get one from a wrecking yard? It supposed to be the same from a 97 to 05 Expedition. There were quite a few Expeditions in the yard by me.

Aug 18, 2019 | 09:13 PM

#10

jaxomlong

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From: Bayonne, NJ

I have an e-mail in to a yard that had several actuators up on e-bay.

the website also showed several Excursions wrecked. We'll see.

Aug 21, 2019 | 08:34 AM

#11

jaxomlong

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The reference I'm looking at say 97 Expedition (& 98 Navigator) through 2002, and then Excursion through 2005.

https://www.cheaperfordparts.com/oem...y-f75z19a522aa