21798-01-EN Rev. 04 Page 22
4.8 Wiring
Securely attach cable connectors to receiver, in-cab display, and telematics
module. Securely route all cables to a common location inside the cab, preferably
close to fuse panel with truck electrical connections (+12V battery, +12V ignition
switched and vehicle ground).
Use only power cables with copper conductors size 20 AWG minimum to 16 AWG
maximum (0.82 mm
2
to 5.26 mm
2
). Due to temperatures in truck cabin, cable rated
176°F (80°C) or higher is recommended.
For standard systems equipped with CiDRA P/N:21718-0002 refer to Figure 18.
Advanced feature SMARThatch systems are capable of reading optional hydraulic
pressure and/or water meter sensors and must be equipped with CiDRA P/N:21718-
0003. For these systems refer to Figure 19.
Cut to length and strip individual wires as described in the following sections.
4.8.1 Wiring DC Power
An overcurrent protection device (fuse) must be installed on the supply side
of the ignition switched and battery inputs, with a fuse current rating of 10A
to 20A.
• Splice all three (3) yellow wires securely from the receiver, display and
telematics cables together, then connect to vehicle ground.
• Splice all three (3) orange wires securely from the receiver, display and
telematics cables together, then connect to fused
+12V ignition switched.
• Connect one (1) red wire from telematics cable to fused +12V battery
4.8.2 Wiring CAN Bus
Refer to CAN Bus connections shown in Figure 18 or Figure 19 as appropriate.
• Splice all three (3) blue wires securely (CAN Hi) from the receiver,
display and telematics cables together.
• Splice all three (3) white wires securely (CAN Lo) from the receiver,
display and telematics cables together.
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