i ahve found out that th pick up does fit but you gotta move the little seal that goes into the side of dizzy up a bit more so there will be enuff wire feed to clear the centre rotating bit.
whyat i have also fouindout if that the pick ups int he early carbi swift's the pick ups in them are identicle to the 18rg pickups so for all those ppl with 18rg electronic dizzy there is ay answer if you cant find a pick up to suit