need to know where this big yellow pin connector goes and what it's for. it's an 88 TII

and plus if anyone can help me with knowing if the other connections seem to be correct or if any of them have something to do with the coils or igniters because i'm having a spark problem. i'll see if I can get any better pics, but it's raining here currently, and this was all I could do.


thanks for any help, I would appreciate it.

 

How many sockets in the plug?

What color are each wire? Example: A black wire with a yellow stripe

Each wire described just like that. It's raining here and I can't go out to the car because I'd melt.

 

yea, it's raining pretty bad here too. ill get each wire description as soon as the rain starts to die

 

if you look in the wall of the car like the area behind the door pivots. that wall there you should see two plugs thats one of them. this plug goes to the gauge cluster and the ignition side of the engine bay hence your spark problems

 

Yeah,that just might take care of all those problems ya been having.I'd look for that ones mate before I spend any money,didn't know ya pulled the harness with the engine.....thats how I do it sure beats unpluging everything on the eng to pull it out.

 

two plugs? yea there was another one identical to this one, but the identical one was connected with two other wires. so, If it goes to the gauge cluster and the ignition side of the engine bay, where would I find the other end of the wires coming from? do I have to pull this wire back out to the engine bay for the ignition one?

 

still looking for the other connections, don't know if these help but I have some more pictures. and the pins on it have 6 pis for left side, one in the middle, and six pins for the right side.

 

It's almost certainly NOT related to your problem at all.

There is an EMISSIONS harness that connects to the sensors on the engine and sensors in the engine bay. It also attached to the ECU with three plugs.

There are two other LARGE plugs that feed power etc to the EMISSIONS harness, and the plug in your picute IS NOT one of them. No way Jose.

 

One of those plugs, called X-15 is shown in this jpg: https://www.rx7club.com/showthread.p...highlight=X-15

https://www.rx7club.com/showthread.p...highlight=X-16

And your plug is waaaaaay tooooooo small to be those.

I could figure it out if I knew each wire color. Oh well. Not spark related anyway.

Check your ENGINE fuse in the interior fuse box. It is the one that controlls the Main Relay,

IF the ENGINE fuse continues to blow, its harness related.

 

wow, thanks for the diagram, that helped. I can understand why it's not connected because I don't have a wiper motor or A/C, adn I have aftermarket gauges that replace those.

so would you be able to help me out by telling me which wires or plugs anywhere on the motor would be the MOST vital to getting the coil packs to spark? because that's the main thing i'm trying to find out. thanks for your help with this though hailers

 

yea, actually i checked the ENGINE fuse and it's fine

 

Sounds like a turbo EM harness on a non turbo car. Not my favorite combination plus it seems it's a JSPEC EM harness to boot.

Can't tell you what to do if you have no meter. IF you had a meter, I'd say turn the key to ON and then pull the small, white, two socket connector off the LEAD coil assy and look for 12vdc on the black/yellow wire. It should be there. Do NOT mess with the other wire on that plug in any way.

IF you have a spare CAS out of your old car, then take the plug off the CAS on the engine and plug it into your spare. Then, with key to ON, just spin the lower gear on the spare CAS. You should hear the injectors clicking and if a sparkplug wire is layed on the fender, spark should come out of it to the fender.

 

Well, I could be all wet. That pictue did not look that big to me. But your saying it has 13 pins in it???????? Yes or no.

If yes, then I was wrong and it's this plug https://www.rx7club.com/attachment.p...hmentid=171657 and you need to find its mating half up high and to the right in the passengers foot well.

Look at the picuture and then look at the plug in your picture. Are the wire colors the same?????????????????????????????????????????????////

JETGELNEO was right and I was wrong. It's the black/yellow wires that feed the injectors in that plug.

 

hmmm soudns like a good idea to me.
I have a tester and a spare CAS. i'll definately try both methods tomorrow. it's too dark right now to see anything, but if I don't get 12vdc on the black/yellow wire,or spark from the wires on the fender, then what would the problem be? would it still be missing wiring?

 

yes, actually it does have 13 pins in it. I have to go back to the car and check the colors either in a bit or maybe tomorrow because It's too dark to see clearly and the pictures are bad.

but in the diagram should I be checking for the colors from the front side from the Front or the EM? I can't tell which side is matching to the one that I took the picture of

you said it feeds the injectors? because when I crank it, I can already smell the uncombusted fuel, around the engine bay and in the exhaust, but I just can't get it to spark.

if this plug i'm missing is the X-16, would it fix the spark problem? or just feed to the injectors? i'm guessing that sincee I can smell the gas, that they're already working

 

If it has 13 pins, then it's the X-15 plug. https://www.rx7club.com/attachment.p...hmentid=171657

You'd look at the attached jpg and look at the TOP plug half and compare wire colors. Then if they compare, you'd have to find the half of the plug that mates with it.

IF it has pins instead of sockets in it, then that half of the plug belons to the Front harness and you now have to find the other half of the plug which is a part of the EM harness. The harness you attached to the engine and ECU.

 

wait, is it x-16 or x-15? you said it's x-15 and gave the link to x-16 next to it.
although i'll check the colors in the daylight to make sure.

just wanted to know,

if it's x-15 is it important to the spark?
and if it's x-16 is it still important to the spark?

 

I miswrote. It's X-16 like this one https://www.rx7club.com/attachment.p...hmentid=171657

Its the black/yellow and black/white wires that make things work.

 

alright, thanks. so where would the other 2 ends to the X-16 be? i'm still not sure where I should be looking.

 

Answer me this. The yellow plug your looking at. It has PINS, right? Not sockets.

IF that is the case then the mating part for that plug is on the EM harness. The EM harness is the one that connects to the engine. Like the fuel injector plugs etc. It's on THAT harness and should be inside the passengers footwell after you strung it from the ECU to the engine.

 

Go back and read those first answers given by FC3MAN and GLBISKET: I owe them an apology. The blurred picture didn't look like it had that many pins in it so I dismissed it as being what it is.

********if you look in the wall of the car like the area behind the door pivots. that wall there you should see two plugs thats one of them. this plug goes to the gauge cluster and the ignition side of the engine bay hence your spark problems*******

*******Yeah,that just might take care of all those problems ya been having.I'd look for that ones mate before I spend any money,didn't know ya pulled the harness with the engine.....thats how I do it sure beats unpluging everything on the eng to pull it out.********************************************** **

I can't figure out why you don't see the mating half of that plug. Odd. JSPEC harness????????????

 

alright, it was an X-16. AND I FINALLY FOUND THE OTHER END. IT STARTED, but died.

THANKS TO ALL YOU GUYS FOR YOUR HELP! I GREATLY APPRECIATE IT

although it has a tiny bit of coolant leaking from the radiator pipe, but the overflow box is at the same level I left it. the battery is too low to start it again, so i'm waiting for my brother to come home to jump start it. I hope to god that it isn't another coolant leak =[. but thanks again to everyone, I got it started

 

if i saw this earlier i could have helped alot!. haha. i had the i could find the other end of the same damn connector.. had the same problem..

 

http://www.teamfc3s.org/main/factory...NG_DIAGRAM.pdf


http://www.teamfc3s.org/main/factory...CAL_SYSTEM.pdf

 

haha, really? oh, well at least I found it out.

oh, wow those diagrams would also have been super helpful, 311unity13B. although i should save them, since I might need them later