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there’s more to fitting a/c than bolting on the parts (you’ll also need condenser cooler, pipe work for a/c etc) there’s a lot of wiring involved as well inc. ecu wiring it’s a massive undertaking but doable if you can get all the parts maybe easier and cheaper to get a universal a/c kit

this is similar to the starlet 4efe dizzy set up if you removed one of the ignition wires from this diagram and removed the pull up from the remaining wire that is the dizzy set up

hello, yes i contacted ecu master regarding the wiring and they sent me this diagram for the mx5 as it runs 2 ignition modules as they do t have one for the 4efe

hello all does anyone have a wiring diagram for the corolla 4efe with coil packs? looking to use in piggyback mode i wired it up as show in this picture but no joy was getting fault codes 14 no igf signal 15 ? 31 vacume sensor any help much appreciated