Is is necessary to have the relay #5 in the fuse panel on a 2004 Ford Expedition. Mine is missing.
I was working on trailer lights, and I am having some problems getting
consistent operation of my lights, especially the running lights. I have
hooked the trailer up to other vehicles and the lights work, so I know the
problem is in the tow vehicle. I cannot get any consistent lights except the
right turn signal. I checked the wiring and it looks good. I looked at the
fused that are supposed to go to the trailer package and noticed that relay 5
was missing. It is supposed to handle the trailer lights as well as battery
recharge. So just wondering if there was a reason it was missing and if it
could be the source of my problems.
Switch a relay over to that slot and see what happens.
The Fords have 4 separate fuses and 2 relays fir trailers the other brands use 1 si you have to check them all
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