m looking for the heater circuit fuse on 97 ford f150 4.6.Does anyone know where that is located,Doesn't show in haynes or owners manual.I can only find 2 fuse boxes one under drivers side inside cab one drivers side engine compartment.Theres a little cover behind battery ,does anyone know if this is fuses or what it is.tks

 

Sounds like you are in the right place. Just lift the cover and the fuses and relays are in there. If you don't have the owner's manual go to , www. owners manuals ford fleet.com