□ Find the ignition switch connector on the left side of the steering
column, as shown in Figure 5.6. Of its 6 wires, locate:
• Pin 4 wire green-red or blue-red (Middle)
• Pin 7 wire blue-white (Bottom)
□ Cut the wire coloured green-red or blue-red and solder then seal
the yellow and orange pigtails to the two new ends of this wire.
• Yellow pigtail solders onto wire going into dash.
• Orange pigtail solders onto wire going to the
connector/steering wheel.
□ Cut the blue-white wire and solder then seal the two “blue”
pigtails to the two ends of this wire. It doesn’t matter which pigtail
is attached where for this wire.
□ Route the four (4) wires towards the igni0tion connector.
□ Connect these wires by matching the colours and labels to the
pigtails soldered earlier.
• Yellow wires connect together
• Orange wires connect together
• Blue wires labeled connect together
5.4 Completing and Testing the Installation
□ Cover all under hood and under chassis wiring with plastic loom.
Secure the harnesses with nylon ties. Avoid wiring contact with
hot or moving parts.
□ Route the loomed harness above the coolant lines towards the
front of the truck. Follow the radiator coolant lines across the
radiator towards the compressor.
□ Pull all excess wiring back into the cab, bundle the wiring
together and tie it up out of the way under the dash.
□ Use remaining loom to cover wires inside of cab, such as:
• Wires connecting VR Throttle Controller to Control Box.
• Wires connecting relays to START/STOP splices.
• Any remaining wires or wire-bundles
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