Unfortunately do not remember any wiring details of the installation. It was a lot of trial and error.

The box comes with instructions, the main task is identifying which wires on the merc switch do what. You have to cut the wires and solder the appropriate box wires to the cut wires.

It might be best to take the job to an old fashioned auto/truck electric shop probably located in a dangerous part of town, that rebuilds alternators & starters. You are probably in luck if its run by a grubby old fart or someone whose first language is not English. They tend to know how to make things work.

Regards,
bobf.

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2.3-16:ROTREXsupercharger;water/air intercooler;Megasquirt EFI/EDIS/COP;2.5-16cams&exh manifold;3"exh;YellowSpeedRacing adjustable suspension kit all round;28mm ARB front,22mm rear;C32 brakesfront,AmgCl55alloyrear;500e servo/mstr cyl;RDMTEKstrut towers;Speedtek camberarms rear;nylonsubframe bushes;Poly-u bushes front&rear,SPEC lightened pressure plate;manual locking 3.07ASD diff;short shift gear change;215 front,235X40X17 rear,EVO8.25 rims