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Fuse/Relay
Location
Fuse Amp
Rating
Passenger Compartment Fuse
Panel Description
15 10A GEM, Interior lamp relay, Map
lamps, Glove box lamps
(SuperCrewzer only), Power
mirrors (SuperCrewzer only),
Warning chime module
(SuperCrewzer only)
16 15A Highbeams
17 — Not used
18 5A Headlamp switch, GEM
19 15A Engine, Cluster, Cummins PCM,
CAT PCM, 7.3L Power Stroke
PCM (idle valid switch input),
Alternator (Ambulance only)
20 15A Starter relay, GEM
21 10A DRL
22 15A Exhaust brake (SuperCrewzer
only), Heated mirrors
(SuperCrewzer only), Rear air
suspension (SuperCrewzer and
Ambulance)
23 10A Electronic flasher
24 15A Vacuum pump, Air dryer, ABS,
Fuel heater relay
25 10A Blower motor relay
26 10A Right-hand low beam headlamp
27 — Not used
28 10A Left-hand low beam headlamp
Roadside Emergencies
154