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Wiring connections are critical to proper ECU function. Make every connection with the thought
that your life depends on each one. It does! Don’t let wires dangle loose which can lead to
eventual breakage. Support them every few inches for least mechanical loading on them.
Keep wires away from high heat sources and protect them from any possible chafing.
We like to see every individual wire, especially ground and power wires, be properly soldered or
crimped (use the proper crimping tool!) AND a length of heat shrink tubing applied over
connector and about 1 inch down the wire after for strain relief and backup wire retention. See
following photos:
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