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2 - 10 VC5090 Vehicle Computer Product Reference Guide
Figure 2-10
Wiring Diagram
Connecting the Power Cable
1. Disconnect the vehicle battery.
2. Connect the green wire to the vehicle’s chassis.
3. Shorten cable to desired length.
4. Place a fuse and fuse holder in-line of the red, black and yellow wires approximately four inches from the
cable end, as shown below.
Figure 2-11
Fuse Connection
5. Slide shrink tubing over wires.
6. Strip wires (0.4 in./10 mm) and insert into the fuse holder. Crimp fuse holder ends to ensure a proper
electrical connection (use Thomas & Betts WT-11-M crimp tool or equivalent).
7. Heat shrink tubing.
8. Connect the red wire to the vehicle's positive power source. Connect the black wire to the vehicle's
negative power source.
VC5090
20A Fuse
1 A Fuse
Switch
20A Fuse
Chassis Ground
Vehicle
Battery
Power Cable
25-71919-01
Yellow
Red
Green
Black
or
NOTE See the vehicle Owner's Manual for specific wiring information.
Fuse Holder Fuse HolderShrink Tubing Fuse
Wire
Wire
Shrink Tubing