Fuses, Relays and Diodes Important: Blown fuses indicate electrical system malfunctions. Determine what caused the fuse to blow and repair the problem before replacing the fuse. The fuse, relay and diode boxes are located in the engine compartment, just behind the cab, on the right side of the machine.
Fig. 112
Fig. 113
Figure 111 – Fuse, Relay and Diode Boxes Location
A
B
C
D H
E F G K Q
L J
N
P
O
I M
A
B
C
D
E
H
G K Q
F
I
J
M
P
O
L N
Figure 112 – Relays/Fuses/Diodes Box Map
.
Table 19: Relay Locations (Figure 112) Relay Circuit A High-speed cab blower fan relay C Medium-speed cab blower fan relay E Low-speed cab blower fan relay
155
Relay Circuit B Horn relay D Exhaust Gas Recirculation (EGR) relay
50950264/G0521
