One of the pick up coils in my SC dizzy is showing infinite resistance/dead and the car won't start
(having ruled out/replaced pretty much everything else including cleaning up grounds). I also tested the wire from connector to close to the pickup and it was ok(not broken) so have to assume the coil itself and its windings are gone. I can't find anywhere that actually says why the SC has 3 pick ups (NE,G1 and G2) vs the NAs 2. It's not a 6 cyl of course so wondered if it was a separate one for the timing choice fitted to some (US?) SCs for fuel type, or is it because the ECU converts 1 360 revolution to 2 so needs 2 signals per rev? (scratches head...)My GZE is JDM and I've gone in many circles this past month
- can't even buy a new SC distributor (and were super expensive when you could looking at one old discontinued toyota parts page $600) but can't find the pickups either to just fit inside myself as the dizzy itself is good. This is quite low mileage 60k if that and I've had it nearly 20 years (the engine at least - it's gone from a Japanese import SC to 2 NA's - one rusted out - so it's currently in a conversion and yeah it used to start and run good till left in my garage for a few months without starting). Yes to every q you may ask (from brand new battery to new coil/ignitor/grounds check/dizzycap/rotor arm/new spark plugs, fuel OK drained old fuel and put brand new in - pump working - no spark! Though once testing I did get spark (with a tester so wouldn't know if would start up cos had the EFI fuse out for test) - next day tested again with tester NO SPARK! damaged wiring could be something else in the loom but It's been treated well and I've checked most points with a multimeter back to ecu etc...) it's driven me crazy cos it's a good engine and car but has spluttered to life only twice (then cut out again asap) and then just cranks. Intermittent spark (though does spark when switching back to run for 2 sparks) should be attributable to this one dead G2 pick up right?FTR I've got a ton of spares from my previous 2 MR2s
(all Dark Blue Pearl 88/89) not that that's important 
but I've got 3 ignition coils with ignitor packs and swapped them all on to rule that out - surely all 3 couldn't be dead (Coils checked out for resistance test and power is at the coil in 'run' (12.4v) and 9.6v while cranking. Battery isa BRAND NEW Yuasa YBX 60ah/450a and it has NO problem cranking
(very strong).If it's not the one
'dead' dizzy pick up coil, then my ECU must be damaged? (or maybe the loom/wiring) - I did notice some moisture inside the ecu from a slight leak but not sure if it's damaged any chips 
So basically I'm looking to find/buy/replace one pickup in the distrubtor but can't find them anywhere in the world it seems.
Even some mR2 specialists have scratched their heads. I can find NA dizzys new and used no problem (but not individual pick up coils) but can't tell if they are the same pick-up (just different wiring and only one 'g') and could be retro fitted somehow? Is there a part number for the OEM Pickups on the 88 4agze?I've also got the BGB and done pretty much everything in there to test.
.. it's not much help with THIS issue as it just says replace dizzy (but you can't actually buy them). I did the (two) na > SC conversions/engine swaps myself so know they were done right, and as said it would start first time everytime for 10 years (inc many years just in the garage while I didn't need it) right up until I had to move house and it wouldn't start Thanks for any info.
EDIT.
... Weird, the spark plug tester started working, possibly cos I had the EFI fuse in this time but no start... so looks like I'll be checking fuel again (but still the dead pick up is confusing me both what it's used for and if it would start up with just one pick up working but run terribly)Lastly, if I had a vacuum leak from intercooler
(rubber pipe basically split in half and taped up) would that stop it starting.. I think it would at least catch. Have had the IC pop off before at over 100 (test track ) and died straight away....