3 wire dizzy has a 24 tooth home and 4 tooth reference so it won't run a sequential injection setup.
the 4 wire has a 24 tooth home and single tooth refence but it has 2 sensors on the reference so it reads every 360* and knows exactly where tdc No1 is.
You would have to get the right dizzy to suit whatever ecu you have, just check partnumbers on toyodiy.com
cheers
linden
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