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Randall C
Randall C, ASE MasterTechnician
Category: Ford
Satisfied Customers: 12787
Experience:  35 years ASE Master Tech, Diagnostic , Electrical Specialist
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What is this part called? It mounts to the passenger side

Customer Question

What is this part called? It mounts to the passenger side inner wheel well liner on a 96 or 97 7.3L diesel.
Submitted: 10 months ago.
Category: Ford
Expert:  Mike S. replied 10 months ago.

What Ford Model is this on?

Customer: replied 10 months ago.
1996 f250 7.3l.
Customer: replied 10 months ago.
it's on the driver's side wheel well liner, not the passenger.
Expert:  Mike S. replied 10 months ago.

Did you remove it? If so, could you take a few photos of where it came off?

Expert:  Mike S. replied 10 months ago.

I see a number on it, what is that number?

Customer: replied 10 months ago.
It's not a part # ***** I would have looked it up myself. One of the tubes connects to a manifold with part # *****
if that helps
Expert:  Mike S. replied 10 months ago.

That number was no good. How about some photos of where you removed it?

Expert:  Mike S. replied 10 months ago.

Another thing, are them hoses or were those hoses filled with coolant, are they exhaust hoses, vacuum hoses, heater, etc?

Expert:  Mike S. replied 10 months ago.

Perhaps you can have better luck then me, this is about the only site I search for ford parts and ford parts diagrams, http://www.fordparts.com/Commerce/CatalogResults.aspx?y=1996&m=Ford&mo=F-250&initSearch=1&partNo=9C491#Search

Customer: replied 10 months ago.
Please open my question up to other experts. Thanks.
Expert:  Randall C replied 10 months ago.

new expert here, How many terminals does this unit have? where the plug goes?

Expert:  Randall C replied 10 months ago.

Ok, what you are looking at is the low vacuum warning switch, It is on some of the diesel engines and is used to inform the driver that the vacuum pu,p is getting weak and is reading under 10 hg of vacuum, It does NOT have a low vacuum light, it uses the rake light and illuminates it if the vacuum goes low as could be dangerous if vacuum drop could lose power brakes, Diesel engines use a vacuum pump as they dont produce their own vacuum, soo here are a couple links, One is the wiring diagram, Look close at the note alomng side of the vacuum switch on the right in the diagram and.. a link showing what it looks like on a truck, It is nothing 911 required, it is only a switch to tell driver vacuum went low, that is it, where to get? it will be a dealer item only, I am not in parts, cant help with that, only answer your question as to what it is