Chapter 9 - Electrical
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2. Fuse and Relay Center,
Caterpillar diesel engine
• Location: Open the hood to reach the fuse and
relay center. It is mounted on the firewall, imme-
diately forward of the steering column.
• There are three positions in the relay center.
The fuses and relays for standard equipment
occupy position three, the most inboard posi-
tion. See Figure 9.2.
• If it is necessary to remove one of the fuse and
relay holders from the fuse and relay center,
Insert a pair of small screwdrivers into the cavi-
ties above the top corner of the holder, and pry
up on the release tabs. See Figure 9.3.
• Pry down on the bottom release tab of tabs, in
similar fashion, and remove the fuse and relay
holder.
Item Place Rating
Accessory Relay R1
20/35A 14V
Start Relay R2
20/35A 14V
Park Buzzer Relay R3
20/35A 14V
Fan relay R4
20/35A 14V
Fan Fuse F1
20A ATM
Voltage Regulator F2
20A ATM
Key Switch Main F3
25A ATM
Glow Plug Timer F4
5A ATM
Unused F5
N/A
Unused F6
N/A
Figure 9.2
Position 1 Position 2 Position 3
Figure 9.3
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