Calling all Ford electrical Guru's

[bettervans]

I have the up fitter switches and upgraded Auxilary fuse box
I found the 2 wires hiden under the carpet.

the BEMM booklet states:
NOTE: For vehicles with Upgraded Auxiliary Fuse
Panel: two 60A fuses from the Customer
Connection Points will be required to power two
40A fuses in the Fuse Box. For further information
see Fuse Box table in this section. The two 40A
supplies are not connected at the assembly line.
The power supply is stowed under the carpet
behind the drivers seat pedestal which the upfitter
is required to connect to the Customer Connection

Question, where do I input power for the upfitter switches on the dash?

2018 ford Transit 350

[themexicandoctor]

PM a couple of the Tech Giants here directly, I am surprised you haven't got an answer yet.

Or better yet, slip by an Auto Electrical place, of its possible.

[mkguitar]

would assume relays are used to control high current power
switches would control the relays




I have no experience with the job taken on


Mike

[@Michael]

The 'fordtransitusa' forum is full of information on the CCP's and auxiliary 12v connections. Unfortunately it's spread out over many threads and hard to find.

From my read of the BEMM you should have wires under the carpet that feed the aux fuse box(highlighted blue below), but are unpowered/disconnected. You need to power them somehow, presumably from two of the CCPs'

I'd use a multimeter to check to make sure those highlighter wires feed the aux fuse box.

That's a guess though - I have no upfitter switches.

Ford changed quite a bit of this from year to year, so often it's hard to match the correct version of the BEMM to an actual vehicle.

[themexicandoctor]

World Class Answer!