FORD 2013 E-450 v.2 - Manual (Page 204)

There will also be one power lead for each switch found as a blunt-cut
and sealed wire located in the underhood cowl shield above the engine
block powertrain control module.
They are coded as follows:
Switch
Circuit
Number
Wire Color
Fuse Amp
Rating
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/.
Fuses 203
2013 Econoline (eco)
Owners Guide gf, 2nd Printing, November 2012
USA (fus)