I didn't move it on my '06 SG when I installed my detachable backrest and mounts, (even though the instructions said to) and I had no problems.

 

Didn't move mine. No problems

 

Open the lid on the LEFT saddlebag. You will see the nozzle just above the rim of the saddlebag.

 

I have quick detach passenger back rest and luggage rack on my 2007 Street Glide and did not have to move the valve to install the rest/rack. The valve is easily accessablenear the left rear shock. No need to remove the bag just the quick detach rack/rest which hides the valve when installed.
By the way, do not use compressed air, it is way too strong and will blow the shock air seals.Use a hand pump like the HD model sold for that purpose or some other brand that fits (needs a deep pump valvefitting to make it work).
I found 30 pounds pressurefor my 230 pounds plus gear works best. The manual gives you rates but they seem soft to me.
Ride Safe!

 

I can get to mine ('05 E.G. Classic) by just opening the top of theleft saddlebag & using a "stick" type pressure gauge. I can get a standard inflating tool tip on ittoo.
Greg

 

What year did they move it to the left side, jiffy stand side? Cause my 99 Road Glide is on the right side, non jiffy standside, and it's so much easier to get to.

 

I do have quick detachable passenger backrest I didn't install. Maybe that is why I am having an issue finding it. Where would they move it or do you have to take that stuff off?

 

My BuddiesFLHTC has TWO on the right side marked Front/Rear . I think its an 02 or 03.