F150 Underhood Fuse Box Diagram. 2021 06 05 01 f150 underhood fuse box diagram. Ford f150 fuse diagram for battery junction box and smart junction box.
This 2010 ford f150 fuse box layout post shows two fuse boxes. Heated exhaust gas oxygen sensor backup lamps trailer charge relay. Read this post on whats involvled.
Always disconnect the battery before servicing high current fuses.
Wiring diagrams are grouped by system not location. F j case. Whenever you run into an electrical problem the fuse box is the first place to look. Fuse precautions warning.