Protected ComponentsFuse RatingFuse or Relay
Number
Instrument panel battery feed (fuse #15,
21).
60A
2
J15
Lighting primary fuse.
Horn.
20A
2
J16
Ignition switch feed (instrument panel
fuses #5, 11, 17, 23, 38).
40A
2
J17
Brake on/off switch.
20A
2
J18
Multifunction switch.
Not used.—J19
Not used.—J20
Not used.—J21
Reverse lamp relay coil.
20A
2
J22
A/C clutch relay coil.
A/C demand switch.
Horn relay.—R1
Fuel pump relay.—R2
Starter relay.—R3
Backup lamps relay.—R4
Brake on/off signal isolating relay
(Hydromax).
—R5
Trailer tow parking lamps relay.—R6
Not used.—R7
A/C clutch relay.—R8
Not used.—R9
Starter relay.—R10
Blower motor relay.—R11
Daytime running lamp/headlamp relay.—R12
Powertrain control module relay.—R13
Fuel pump diode.—D1
75
Motorhome (TY3) Canada/United States of America, enUSA, Edition date: 201712, Second Printing
Fuses