Rola Drifter Posted January 14, 2007 Report Posted January 14, 2007 Hi all my name's tom and i've just done the ae92 fwd 4age converted into rwd into my ae71 sedan and i'm onto the last leg of getting it started.......It starts to click over but its just not getting any spark from the coil The problem i have at the moment (i think) is to do with a few wires coming from a clip near the ecu for the inside part of the wiring loom. There is a clip that has 3 main wires (black & red, black & orange, black & white) approx 4mm in thickness that need to go from that clip to somewhere....The otherside of this clip comes from in the engine bay through the firewall and i've triple checked that all of the wiring loom (inside and outside) is connected in the areas that need to be connected... I have a printout here that states from an ae86 4age (and i know ive got an ae92 engine but its just a reference) that the red & black and also the orange & black wires go to the "run" source and the black & white wire goes to the "start" source......I've tried connecting them to the same coloured and thickness wires inside from the original wiring, but still nothing yet..... I'm just wondering if any person out there that has done this conversion (which i'm sure there's quite a few people) might be able to shed a bit of light on my situation if possible, as to whether i need all those wires connected and where they might have connected them to. Any help with this would be much appreciated and thank you in advance....... Tom Quote
Craig_ae8670 Posted January 14, 2007 Report Posted January 14, 2007 Hey dude Every one seems to have this problem when i come across them.... First off the Black/White wire should be got to the starter motor wire (the black/white wire that goes on to the starter solenoid). That wire gives the ECU the signal that the motor is cranking.... The Black/Orange wire should be connected to the ignition switch. Use a LED test lamp to find the wire that only has power when the dash lights are on. Now the Black/Red need to be connected to a EFI main relay. This powers up the ECU when the ignition is switched on... What i normally do is put the Black/Red and Black/Orange wire together on the EFI main relay as i don't like to run the Black/Orange straight off the ignition switch. Easiest way to do this is find that power wire on the ignition switch (power when dash lights are on eg alternator warning light, handbrake light etc) join a length of wire into that and run it to where the EFI main relay will be. Use this wire as the switch power to turn the relay on. Then have a another wire that is fused coming straight from the battery to the relay to supply power to the Black/Red and Black/Orange wires. Now how to wire a relay....All the pins are numbered. On a normal 4 pin relay. Theres pin #85, #86, #30 and #87 (on a 5 pin relay there will be pin #87a but you only need a 4 pin relay) Pin #85-Wire from ignition switch (this switches the relay on) Pin #86-Wire straight to earth (on to any metal part of the body) Pin#30-Fused wired straight from battery (run at least a 15amp fuse in it) Pin #87- Wire Black/Red and Black/Orange (when relay is switched on it should have 12v or battery voltage there) If you have anymore problems just ask. Craig Quote
Rola Drifter Posted January 15, 2007 Author Report Posted January 15, 2007 cheers for some insight there craig..........I just got home from work and am going to attempt this to see if the little girl wants to start for me..... If anyone knows of anything else that i might have left out or forgotten please feel free to let me know, but will let u all know how this works out....... Thank you very much Quote
Rola Drifter Posted January 17, 2007 Author Report Posted January 17, 2007 Well i had managed to hook these wires up on monday night & when it came to testing, my car just didn't want to start...... wires are connected, power going to everything that needs power but there is no spark coming from the coil to the distributor, yet again.....Now yesterday afternoon i went to see my mate that works at the toyota wreckers & we borrowed another 3 4age ae92 coil packs to give all of them a shot...........but neither of them wanted to work (although they all came out of running cars not long ago) so then i managed to get a hold of another mate thats an apprentice auto electritian & he checked every thing & said all the wiring was correct n couldn't see why it wasn't starting. Further investigation into it all (testing every wire possible around the coil & igniter) & found out that its the 5 wire plug that plugs into the igniter pack that is the problem, somewhere along the loom the earth heading into the igniter pack isn't getting anything to it....so now we're all trying to figure out which out of the 5 wires is the earth one (as he hasn't much experience with the 4age's at all) so i can bypass it with a wire coming straight from the negative off of the battery to give it all that it requires. Anyone that mite be able to help me out with this as i'm hoping to have this beast on the road by the start of february & need to get it started for my r.w.c. Any help is muchly appreciated, thank you Quote
Craig_ae8670 Posted January 17, 2007 Report Posted January 17, 2007 (edited) Earths on the 4AGE looms are normally brown. I can't remember off the top of my head. Edit: Now that i think about it i think that the ignitors are earth through their mounts. So if its not bolted down it wont be earthed. Edited January 17, 2007 by Craig_ae8670 Quote
Rola Drifter Posted January 17, 2007 Author Report Posted January 17, 2007 cheers craig......i had a look at the wires that head into the plug n there seem to be, 3 black wires with red dots on them, 1 black with orange stripe through it (constant power from ignition switch i'm told) & the last 1 is another black with orange stripe through it plus it has the red dots on it aswell......... also i have mounted the igniter using the old bolt hole from where the old coil from the 4ac used to be mounted on the passenger side strut tower & the coil assembly is using the other hole that is there from the old coil pack if that helps in any way!!! but i haven't touched the car today as my auto electritian mate had got the wiring diagram today from toyota but it didn't come with any wording or labels of whats what :jamie: so his boss has to wait til tomorrow to hear from toyota about them sending something through to them so unfortunately it's gotta wait til tomorrow.....but its got me stumped as to what is what ;) Quote
Raven Posted January 17, 2007 Report Posted January 17, 2007 Pay craig's flights and he'll have it going in 2 hours no worries :jamie: Quote
Craig_ae8670 Posted January 17, 2007 Report Posted January 17, 2007 The ignitors on the AE92 loom have 2 constant powers going to them. Ones for the ignitor and the other for the coil pack... The 3 black wires what side of the plug are they on?? Loom side or ignitor side?? I'm guessing ignitor side. If thats correct they most proberly will be tacho output, earth, a wire that goes back to the ECU (i can't remember what its called off the top of my head as ive only had 2 hours sleep in the last 2 days) Quote
Rola Drifter Posted January 18, 2007 Author Report Posted January 18, 2007 well i can understand the not much sleep in the past few days as i have spent countless hours trying to fix whatever it is that needs to be fixed to get it running......... :jamie: and i wish that i could afford to get craig here to help out with this but unfortunately its not an option that i have right now.. these 5 wires come from the complete wiring loom into this connector & then that plugs into the igniter, but unfortunately i have to wait yet another day for my mates boss to hear back from toyota (or whoever he is getting the information off of) before anything can be done about it.........also it doesn't quite help me wen you don't understand the electrical side of things & being colour blind at the same time ;) with my mates help i understand which are the 2 wires with power to them and just can't quite follow the black 1's back far enough to see where they go to Quote
Jono Posted January 18, 2007 Report Posted January 18, 2007 i have the 100kw diagrams from Toyota with english if you get stuck. Quote
Rola Drifter Posted January 18, 2007 Author Report Posted January 18, 2007 i'm not to sure if mine is a 100kw or 86kw 4age......i've been told its an 86kw one. also i'm not sure if u can, but would there be any way of posting up a diagram of the igniter plug wires n which is which or maybe sending an e-mail with it to my e-mail address......if you can it is muchly appreciated and my e-mail adress is [email protected], if not thank you for trying to help out Quote
Jono Posted January 18, 2007 Report Posted January 18, 2007 ae92 4age should be smallport 100kw. i'll send you the diagrams now. Quote
Rola Drifter Posted January 18, 2007 Author Report Posted January 18, 2007 cheers heaps for the e-mail jonathan........it looks like it will help me out alot and i did a bit more checking on the net and you were right about it being a 100kw 4age....all the things listed are what the engine just happens to have.. thank you heaps and if i happen to have any more toubles (praying to god i that i don't) i will post it back up here...... cheers heaps Quote
Rola Drifter Posted January 24, 2007 Author Report Posted January 24, 2007 Ok guys well she's all sorted now.........seems that eveything was fine, there was nothing wrong with the igniter or coil or wiring in the engine bay what so ever......it was my stupid fault for not knowing about one red & black wire off of a circuit opening relay near the ecu that needs to be fused and then wired upto the ignition to send all the signals to where they needed to go :( But now it all seems fine and starting which is music to my ears after a long 6 months :), now all that i have left to do, is get it tuned & timed, lowered, mod plated, roadworthied & registered by next friday n i'll be one happy camper :P I would just like to thank every1 for their input with what the problem could have been and will post pics up of both my rolla's wen i get my camera fixed................so thank you to everyone Quote
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