Tag Archives: Megasquirt

Megasquirt Engine Wiring

This post describes how to wire your engine with the 20awg wire for Megasquirt’s wiring harness!

Here’s a DB-37 connector with crimp connector pins. Most megasquirt kits come with solder cup connectors WHICH ARE BAD because soldered wires = stiff corroding wires.

I ordered this connector from Newark – an electronic parts supplier. Here’s a link to part number 79K4779 – The manufacturer’s part number is SPC15175

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