Tookwik's 7M-GTE COP ignition mod w/ stock electronics...pics and writeup

Supra_dan

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Re: Tookwik's 7M C.O.P. ignition mod w/ stock electronics...pics and writeup

Vey cool! Thank you very much for the clarification

Can't wait to do this now
 

drr999

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Re: Tookwik's 7M C.O.P. ignition mod w/ stock electronics...pics and writeup

this is an awesome write up but ive had a small issue. i am running my 7mgte in a 77 celica. when i put the is300 coils in the my car started to miss at idle and only got worse while running. i soldered all the wires and checked the resistances with a multimeter and there is only .7-.8 ohms on any of the wires between the coil packs and the ignitor. i switched back to the stock coils and its fine again. i tried adjusting the timing but it didnt solve the problem. any suggestions on how i can fix this?

i am running brand new ngk iridium plugs and wires.
 
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Re: Tookwik's 7M C.O.P. ignition mod w/ stock electronics...pics and writeup

Ok well i have one question does anybody know if the stock plug wires will fit these coils.Well i have ngk blues but still will they fit the coils cause the stockers are really small on the is300 coils like 5mm and my ngks are 8mm i believe.Any input would be much appreciated thanks.joel
 

drr999

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Re: Tookwik's 7M C.O.P. ignition mod w/ stock electronics...pics and writeup

The 7mgte Ngk wire will not work on the is300 coils. They won't plug into the coil packs. It has also been said in this thread that the factory wires are better then the aftermarket ones.
 
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Re: Tookwik's 7M C.O.P. ignition mod w/ stock electronics...pics and writeup

well i must have missed that post even thou read throughout the hole thread but thanks for answering my question kind sir.
 

Supra_dan

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Re: Tookwik's 7M C.O.P. ignition mod w/ stock electronics...pics and writeup

What in the world.. I set everything up today nice and perfect but it's a no go. Car just cranks and cranks but no start

I'm wondering if by chance it's the spark plugs?? I bought the autolites mentioned in this thread, but upon closer review, it seems the tops of them may be...wrong?

Instead of a 'block' type head where the boot meets the plug, it's circular and threaded..maybe not creating contact and the plugs i have are messed up??

Any input on why it's cranking but not starting would be greatly appreciated.

Set-up is:

Coil on 6- plug 1
coil on 2- plug 5
coil on 3- plug 4
 

Supra_dan

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Re: Tookwik's 7M C.O.P. ignition mod w/ stock electronics...pics and writeup

Scratch that...
Put the old plugs that were in it previously (worked fine) and still nothing..

Just cranking and cranking no start.. This does work with oem set up correct??..
 

Supra_dan

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Re: Tookwik's 7M C.O.P. ignition mod w/ stock electronics...pics and writeup

[video=youtube_share;vv6dC7QiAjI]http://youtu.be/vv6dC7QiAjI[/video]
 

Supra_dan

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Re: Tookwik's 7M C.O.P. ignition mod w/ stock electronics...pics and writeup

Just did. Getting 1-2

Code 12 is rpm signal or something isn't it? Or something like that I think.

Idk, I mean, everything is hooked up the way it should be
 

Supra_dan

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Re: Tookwik's 7M C.O.P. ignition mod w/ stock electronics...pics and writeup

just did

Everything is intact and tight.

Car started and drove absolutely fine before this, and i haven't touched the cps at all when doing the c.o.p. mod
 
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Re: Tookwik's 7M C.O.P. ignition mod w/ stock electronics...pics and writeup

well for it to give a code 12 it has to be related to the cps or related wiring. (quote from tsrm) "code 12 Problem Area: RPM signal Description: ECU has no “NE” or “G” signal within 2 seconds of cranking Areas to investigate: 1. Alarm/immobiliser 2. CPS/distributor (or circuits) 3. signal circuit"
 

Supra_dan

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Re: Tookwik's 7M C.O.P. ignition mod w/ stock electronics...pics and writeup

Yes yes I did (thank you) already have it put on haha

Something just isn't making sense. I didn't touch the cps at all (i know thats what code 12 means)

Just isn't starting ever since doing the c.o.p. set-up

Cranks fine (new starter) cps should be fine, didn't touch it, and car worked perfectly normal before doing any of this.

All the clips are clipped in, plugs are nice and tight..? hmm
 
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Re: Tookwik's 7M C.O.P. ignition mod w/ stock electronics...pics and writeup

ok great glad to hear and yeah that is weird im not sure but maybe the prob is in your extended coil pack harness. If you still have your old coil packs and a different coil harness i would try them just to rule it out.
 

Supra_dan

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Re: Tookwik's 7M C.O.P. ignition mod w/ stock electronics...pics and writeup

Yeah I still got them, just a pain in the ass to take everything apart and hook all the old stuff up again lol.

I'll prob end up tackling it tomorrow. crazy tired to work on the car right now
 
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Re: Tookwik's 7M C.O.P. ignition mod w/ stock electronics...pics and writeup

I did have this problem once and it was because of one of the wires came out of the cps conector so i recomend double checking just to be on the safe side.Also if the cps is leaking any oil inside behind the cover it could cause related problems.
 

Supra_dan

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Re: Tookwik's 7M C.O.P. ignition mod w/ stock electronics...pics and writeup

Oh ok def worth a double check then


So, hypothetically, if it were the cps wire or wires or oil in it whatever. It could just up and quit just like that, no rough starting, or if it did start maybe some stumbling idle or whatever? It would just not start at all and just crank?



If so I def will check it out. I just hate how coincidental it is that it only just started doing this after everything was all set-up now
 
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Re: Tookwik's 7M C.O.P. ignition mod w/ stock electronics...pics and writeup

It just depends but with oil in the cps its usually causes a rough start and shitty idle ect and if its a broke wire or connection it would just not start at all and just crank.keep me updated with what you find out and i still wouldnt rule out the extended coil harness untill you've tried your old coils and coil harness.
 

Supra_dan

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Re: Tookwik's 7M C.O.P. ignition mod w/ stock electronics...pics and writeup

Please disregard all my latest posts. It had nothing to do with the ignition, coils, plugs etc.

It was my ignorance on thinking it wasn't the Cps.

I checked it out and yes, one of the wires are fubared.

Thanks for all the help though!!
 

tiger956

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Re: Tookwik's 7M C.O.P. ignition mod w/ stock electronics...pics and writeup

I would like to buy the wiring harness and spark plug wires for this set up.. who do I contact? thanks, Gary
 

hatchet9mm

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Re: Tookwik's 7M C.O.P. ignition mod w/ stock electronics...pics and writeup

Gary, you have to build it yourself. Driftmotion has coil harnesses you can get to modify, and they also sell the coils and wires.
 

morganson

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Re: Tookwik's 7M C.O.P. ignition mod w/ stock electronics...pics and writeup

Guys i dont get in here very often but i am currently putting this mod together. I will be looking into building a simple plate to locate and secure the coils and wires. Im using a spare head for the mock up. If successful i will have a plate that lifts the ignition off as a whole rather than fumbling around with the wires and coils. So far i have threaded the bolt hole of each coil using a m8x1.25 tap. Works like a charm and no harm to the coil. Dont know if anyone has gone down this path but if this work i will put up pics and measurments of the plate and the final solution. Wish me luck i would love to contribute a bit to this community.
 

hatchet9mm

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Re: Tookwik's 7M C.O.P. ignition mod w/ stock electronics...pics and writeup

I plan on mocking up a sheet metal plate that stabilizes the coils and bolts to the factory coil mounts. Let me know if yours works an if you are willing to make another one and I might buy it off you. Currently there is no stabilizers for my coils and I get a decent miss because of it.
 

morganson

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Re: Tookwik's 7M C.O.P. ignition mod w/ stock electronics...pics and writeup

So i worked most of today on the hold down and got the initial template down. I am still waiting for my wires to come in but i have the hardest part out of the way.
This is where i am now...
963753_10151487229848543_1436380122_o.jpg
 

mk3forme

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Re: Tookwik's 7M C.O.P. ignition mod w/ stock electronics...pics and writeup

looks good. looking forward to seeing the final product
 

morganson

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Re: Tookwik's 7M C.O.P. ignition mod w/ stock electronics...pics and writeup

Wires came in today, will get the template finished before the week is out then ill start on the first hold down.
Anyone have thoughts on ventalation?
 

hatchet9mm

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Re: Tookwik's 7M C.O.P. ignition mod w/ stock electronics...pics and writeup

Drill extra holes around the bracket?
 

emiliorescigno

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Re: Tookwik's 7M C.O.P. ignition mod w/ stock electronics...pics and writeup

Hey everyone. I just recently did this mod to my car, and there's one aspect that's really frustrating me. Right now I have (what I believe to be) stock IS300 wires, and the wire from the coil on cylinder 3 to cylinder 4 is too long, and has to snake around aimlessly. Is there any option for an extra-short replacement wire so I don't have this happening? Thanks!
 

RazoE

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Re: Tookwik's 7M C.O.P. ignition mod w/ stock electronics...pics and writeup

Switch the wire with a shorter one off the other coils.
 

morganson

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Re: Tookwik's 7M C.O.P. ignition mod w/ stock electronics...pics and writeup

Yes i found the 3/4 wire annoying as well. There are no options available for the shorter wire. I considered cutting and re-terminating but hate to cut into brand new wires.
This is the best routing i could muster but should roll....
1012621_10151492279638543_1521400311_n.jpg
 

morganson

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Re: Tookwik's 7M C.O.P. ignition mod w/ stock electronics...pics and writeup

Small update, got the harness finished today and made sure it would clear the template. Hunting materials through the week. May go phenolic if it proves right. Will get pics once the first is finished and installed.