Motorola VC5090 - Manual (Page 39)

Installation 2 - 11
Figure 2-12 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.
9. Connect the yellow wire to the vehicle's ignition switch. If you do not plan on using the Ignition Sense feature,
connect the yellow wire to the vehicle’s positive power source.
10. Ensure the wiring connections created are sufficiently insulated from each other.
11. Re-connect the vehicle battery.
12. Insert the power cable connector into the vehicle computer's Power port. Align the keyway on the power
connector with the notch on the vehicle computer’s power port.
Electric Forklifts
There are currently two power cable options for electrical forklifts:
• 12 volt electric fork lifts
• 24 to 48 volt fork lifts.
12 Volt Forklifts
1. Disconnect the vehicle battery.
2. Connect the green wire to the vehicle’s negative power source.
Fuse Holder Fuse Holder Shrink Tubing Fuse
Wire Wire
Shrink Tubing
NOTE The vehicle computer contains an Ignition Sense feature that detects when the ignition switch is turned off
and shuts the vehicle computer down after a preprogrammed timeout. This feature allows the operator to use
the vehicle computer for a predetermined time period after the ignition switch is turned off, then shuts the
vehicle computer down automatically to prevent over-discharge of the forklift battery. The timeout period is
adjustable by the user (see
Ignition Sensing on page 3-22 for setting the timeout value). The normal current
draw of a suspended vehicle computer is approximately 500mA. When the vehicle computer shuts down
using the Ignition Sense feature, current draw is reduced to approximately 5 mA. This feature provides the
automatic shutoff functionality of an external relay, without requiring an actual relay and has the added benefit
of allowing the user to work for a preset time period before shutting down.
NOTE Use power cable, p/n 25-71919-01R.
See the vehicle Owner's Manual for specific wiring information.