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.
2006 F-250/350/450/550
(f23)
Owners Guide (post-2002-fmt)
USA
(fus)
Driver Controls
65