System Interfaces
System Interfaces
J1939 CAN Communications
Engine coolant and intake manifold temperature
inputs from the ECU are acquired by installing an
adapter harness in the existing vehicle CAN wiring.
The EMP CAN adapter harness is located under
the dash panels or in the engine compartment on
most trucks (see Figure 2).
Figure 2
AC Control
Air conditioning input is obtained by wiring directly
to the existing AC system high-pressure fan switch
(see Figure 3).
Figure 3
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