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Added extra Throttle Body and Engine ground wires.
Custom converted Rear Taillights to LED's
I custom splice together the wiring myself for the RB swap.
Fairly easy install grounding kit, the diagram is found @ mazda3forums.com
Completely re-ran all electrical for altenator/battery and grounding for engine bay. Added more grounding wiring from chassis to motor too. Suprisingly this made the starter sound different when engaged (faster spinning) and starts easier. The OE wiring was frayed and after I caustic washed/Steamed the motor, they began to decinegrate. ...
replaced all powe wires with 0 gauge wiring.......red..
replaced all grounds with -4 gauge wiring.... black.... labled both for dumb dumbs
Installed by:Pro Installer