FORD 2010 E-450 v.3 - Manual (Page 71)

They are coded as follows:
Switch Circuit number Wire color Fuse
AUX 1 CAC05 Yellow 30A
AUX 2 CAC06 Green with
Brown Trace 30A
AUX 3 CAC07 Violet with
Green Trace 10A
AUX 4 CAC08 Brown 15A
More detailed information about Upfitter switches can be found at
https://www.fleet.ford.com/truckbbas/.
Driver Controls
71
2010 Econoline (eco)
Owners Guide, 3rd Printing
USA (fus)