Cat C 15 70 Pin Ecm Wiring Diagram. Continuity should exist. q When connecting ECM harness connector, tighten securing bolt until the gap between the orange indicators disap-pears. If this is your first visit, be sure to check out the FAQ by clicking the link above.
Wire Color. (+) battery supply wires input signal wires to ECM output signal wires from ECM sensor supply voltage signal plus signal minus (-) battery To Vehicle Components.
Continuity should exist. q When connecting ECM harness connector, tighten securing bolt until the gap between the orange indicators disap-pears.
If this is your first visit, be sure to check out the FAQ by clicking the link above. Twisting wires decreases interference because: The loop area between the wires (which determines the magnetic coupling into the signal) is reduced as much as physically possible. Control (positive) from ECM control (return) from ECM.