Filter
Top Products
Fuse/Relay
Location
Fuse Amp
Rating
Power Distribution Box
Description
301 — Fuel heater relay (CAT and
Cummins only)/7.3L Power Stroke
PCM relay)
302 — Park lamps relay
303 — Blower motor relay
304 — Air ABS relay
401 — Not used
501 — Not used
502 — Not used
503 Diode 7.3L Power Stroke PCM diode
* Mini Fuses ** Maxi Fuses
Relays
The relay box is located on the rear crossmember.
Air Brake Trailer Tow Relays (if equipped)
Roadside Emergencies
159