FORD 2007 F-550 v.1 - Manual (Page 68)

The relays and fuse in the glove box are coded as shown in the
accompanying illustration.
There will also be one power lead
for each switch found as a blunt-cut
and sealed wire located behind the
passenger compartment fuse panel.
They are coded as follows:
Switch Circuit number Wire color Fuse
AUX 1 1936 Orange with
Light Green
Trace 30A
AUX 2 1933 Orange 30A
AUX 3 1934 Orange with
Yellow Trace 10A
AUX 4 1935 Orange with
Light Blue Trace 10A
More detailed information about the Upfitter switches can be found in
the Electrical Wiring section of the Ford Truck Body Builders Layout
Book, found at www.fleet.ford.com/truckbbas.
2007 F-250/350/450/550 (f23)
Owners Guide (post-2002-fmt)
USA (fus)
Driver Controls
68