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Old 03-24-2015, 03:26 PM
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DeliveryValve DeliveryValve is offline
Chairman of my Benz
 
Join Date: Jun 2006
Location: Central California
Posts: 4,159
Next set of pics was to plug it all in. I connected the fiber optic light cord to the open port on the junction located at the bottom front of the HVAC heater core cover. Plugged the harness to the existing plugs and then tested the new setup…. Works like a charm!




Finally, the trim piece. I broke out my trusty RotoZip and cut the new switch hole. I think it turned out really well.




Overall, I am very happy with this modification.



I love the ability to switch over to recirculation when I want. At some point, though not a priority for me, I like to research how to add the 30min. timer to bring it inline with later factory models.

Thanks for checking this mod out.


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Attached Thumbnails
w123 HVAC recirculation modification-w123recirculatingmod07.jpg   w123 HVAC recirculation modification-w123recirculatingmod08.jpg   w123 HVAC recirculation modification-w123recirculatingmod09.jpg   w123 HVAC recirculation modification-w123recirculatingmod10.jpg   w123 HVAC recirculation modification-w123recirculatingmod11.jpg  

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Last edited by DeliveryValve; 03-24-2015 at 03:57 PM.
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