The odometer will black out and then come back on. It might do it every 10 to 15 sec. or once every 100 miles. The odometer works fine, just can't see it all the time. Thanks for any help.

 

Sounds like you are dealing with the intermittant LED odometer problem. If you search the archives you will find that others have had the same problem, myself included. A couple of months ago I took the instument panel out and found what I think was the problem and repaired it. To date the odometer has been working fine since then. Here is a link to a post I made on how I fixed it.
https://www.f150online.com/forums/sh...ighlight=Upton
If you try this fix let us know if it works or not, I'm curious if the cause of the problem is common in most affected odometers.