thanks for your valued input here
i knew you were the ORACLE on the topic !
you explained it in a way i can finally understand !
thanks so much
matt :)
the wire disconnected is Yellow w / black tracer stripe
= OIL PREASSURE SENDER TO DASH OIL CLUSTER GUAGE ...........................
if it's severed ?
he will show a flat line oil gauge orange needle in the rest position L location ...........
- also ENGINE WIRE #4 applies to a 1977...
i used a hand held multi meter in the tach. mode before a update from a oem Toyota old tired yes LOAF of bread OEM original single reduction unit , but still cranked out
to start fj40 then installed gear reduction i had over a 300+ RPM increase , that could of been a tired loaf of bread...
i want to re-visit the idea and concept , that you simply do not need the 3rd small wire from starter to coil with a update to a gear reduction starter platform .......
- the old LOAFS of BREAD size single reduction units pre - 79 rotated less RPM's , this is a fact
so .........
-...
ok now i agree , i did not know that fact back feeding , good call
this is exactly why a made the big point this needs to be a group viewpoints discussion .......
ok
then :
what about my concrete theory that the gear reduction many times over increased RPM
and that's a fact here , the...
come on folks ?
there is a safe and simple way to BYPASS / NOT having a 3rd wire and indeed using the gear reduction starter and still have a signal to the coil via the starter and the 3rd wire
i have seen it done before ?
- as i recall : 🤔
- you simply ADD the small 3rd wire...
NOTHING gets connected to the C terminal , that';s a diagnostic reference point only ...........
to verify if b+ is traveling to the solenoid via the starter motor and vise versa when key in START POSITION ONLY , or engine cranking prior to ignition ......
make sence ?
awesome input !
this is EXACTLY the tech @jetyancey needs to have and review too ,
- i am very :meh: on this key point small gauge black wire w/ red tracer stripe .......
....so : CLASS IS IN Session for ToyotaMatt for sure here ... 🤔
Mean while waiting for @4Cruisers to chime in
We can start and have a productive and indeed enlightening discussion from all points of view on my below 1962-4/79. Starter 3 wire system and the 💯 % period correct usa spec. EWD diagram and combo Parts nomenclature also
I swear by this...
the gear reduction starter was not introduced till 5/79 , this is why toyota can't look one up for a A 1962-4/79 fj40 F , F1.5 2F 3FE
i personally have installed a reduction oem unit on a 1964 Siamese F w / a Colum shift J-30 Trans and vacuum t-case all original too !
there is ONE...
MY KIT comes with all the UPDATED and CORRECT OEM TOYOTA Mounting hardware too
also
a hand made YAZAKI JAPAN Service PLUG connector pigtail U need to convert to gear reduction type
i have TRULY a plug and play KIT , no one else does
i set you up for success 100%...