fuse panel under hood of 2004
#2
Assuming new body style, not Heritage model ...
Aux relay box is on the left fender.
Main panel is in under the passenger side footwell kickpanel.
Refer to yer owner's guide, starting on page 195.
No guide? View/download one from here:
https://www.motorcraftservice.com/vd...il/default.asp
MGD