AC HVAC vacuum lines control unit - how many lines are there? | Ford Explorer Forums - Serious Explorations

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AC HVAC vacuum lines control unit - how many lines are there?

Mikethe1

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Joined
January 10, 2020
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Year, Model & Trim Level
Explorer 2006 Eddie Bauer
Hi,

I have 4.6 with auxiliary (rear) AC system. Under the glow box I located the vacuum lines control unit with 6 lines connected (black, white, yellow, blue, red, gray) and then top one 7'th vacant. Couldn't spot any unconnected spare vacuum cable there, though it's hard to get good visibility and access at that under the glow box spot.
Should the 7'th vacuum cable line exist?
1000050409.jpg


Thanks,
 






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