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Old 06-21-2007, 02:15 AM   #21
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i have a question, where would i be able to find wire diagrams for my car, and for a toyota
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Old 06-21-2007, 05:03 AM   #22
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being that I'll be running AEM soon this sounds like a cool deal... I think I'm gonna check it out when I get back from Vacation
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Old 06-21-2007, 11:41 AM   #23
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Originally Posted by Flippy02 View Post
i have a question, where would i be able to find wire diagrams for my car, and for a toyota
Wiring diagrams for your car: http://www.madracki.com/miata/wiring.html

Wiring Diagrams for a Toyota: http://www.google.com
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Old 06-21-2007, 12:15 PM   #24
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Edit:

Score! The complete service manual with diagrams for a 2004 Corolla: http://au.toyotaownersclub.com/forum...showtopic=2012

Edit to Edit:
And here, in post #33, is a torrent for what appears to be the whole Toyota service anthology CD: http://au.toyotaownersclub.com/forum...pic=7385&st=25
(I haven't downloaded it yet since they block bittorrent clients at work)

Last edited by Joe Perez; 06-21-2007 at 12:38 PM.
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Old 06-21-2007, 02:06 PM   #25
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Toyota:

1-ground (brown)
2-trigger (color varies)
3-tach (blue with yellow stripe)
4-V+ (black with white stripe)

These colors are the same on all four connectors. The only one different is the trigger wire depending on which cylinder it is. I have already removed the 2 EGR solinoids, purge solinoid, and fuel regulator solinoid from my car. When I wired the coils I re-pinned the EGR signal wire (from the EGR position sensor) into coil-3 out and used the purge solinoid wire and re-pinned it to coil-4. I had to untape the Miata harness to get the purge lead over by the coils. Inside the Miata harness the stock coils all wire up to only 5 wires. Power, Gnd, 2 signal wires, and tach. The tach leads from the OEM coils are connected together in the harness as well as power and ground.

Some of this information is redundant. I thought I'd explain how I did it. Start off by connecting all four Toyota coils in parallel except for the triggers. Then connect the triggers from 1&4 together and connect it to the Miata trigger for those cylinders brown with yellow stripe. Then connect the triggers from 2&3 and connect them to the second Miata trigger for those cylinders solid brown. If you get those two browns backwards you'll know, just reverse them.

Edit - Ok I'll make it easy on you guys.

Function.........Toyota...................Miata

Ground...........Brown....................Black
Tach..............Blue/yellow.............Black/white
Trigger...........Varies....................Brown/yellow 1&4, Brown 2&3
V+.................Black/white............Blue

Now that I think about it, all the tach wires can be connected no matter what your ecu setup. I may have done it that way I'd have to look.

Last edited by lazzer408; 06-21-2007 at 02:26 PM.
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Old 06-21-2007, 05:07 PM   #26
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...
Edit - Ok I'll make it easy on you guys...
Easy?! Easy would be me giving you $5 to install a set while i'm at work.
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Old 06-21-2007, 05:34 PM   #27
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i just wanted to make sure the wire colors weren't different on my car
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Old 06-21-2007, 08:56 PM   #28
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Easy?! Easy would be me giving you $5 to install a set while i'm at work.
Well it's easier then cramming two turbos in a Miata engine compartment. :gay:
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Old 06-23-2007, 04:12 AM   #29
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i just bought coil packs off a 2002 camry, just awaiting delivery all for 20 shipped
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Old 06-23-2007, 02:57 PM   #30
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i just bought coil packs off a 2002 camry, just awaiting delivery all for 20 shipped
Did you get the connectors with them? I dug in 2 junkyards for 2 hours before I found those plugs. I even tried other connectors from different cars hoping to get lucky. Ironicly the Miata TPS sensor plug sort of fits. $20 is a deal for the set of coils. I believe the dealer gets $130 something for them. Better keep it quiet or the next thing you know there $75 a pop on ebay.
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Old 06-23-2007, 06:12 PM   #31
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my mouths shut now. lol nobody wants to here about COP, there all over that upgraded ignition from moss
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Old 06-23-2007, 08:30 PM   #32
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my mouths shut now. lol nobody wants to here about COP, there all over that upgraded ignition from moss
Around $400 for a system that requires special plugs wires that still have to be replaced periodically, vs $100-200 for a COP setup? I'm listening. I think what you guys are trying to do is very cool.

Cheers!

Jeff
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Old 06-23-2007, 10:53 PM   #33
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i just hope i'm able to find the connectors, and i wish i had a welder so i could make it look factory. oh well.
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Old 06-23-2007, 10:56 PM   #34
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Quote:
Originally Posted by 92MX5 View Post
Around $400 for a system that requires special plugs wires that still have to be replaced periodically, vs $100-200 for a COP setup? I'm listening. I think what you guys are trying to do is very cool.

Cheers!

Jeff
$100-200?

I did mine for <$50 Flippy just got his coils for $20. Let the purists spend $400. Not me. I'm a DIY guy.
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Old 06-23-2007, 10:58 PM   #35
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Originally Posted by Flippy02 View Post
i just hope i'm able to find the connectors, and i wish i had a welder so i could make it look factory. oh well.
Just grab some aluminum rod, drill it, tap it, and JB weld it to the valve cover. It'll stick.

JB-Weld
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Old 06-23-2007, 11:18 PM   #36
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jb-weld solves everything, i remember my friend cracked his oil pan. and we sealed it with jb weld, and it held for the rest of the time he had his car
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Old 06-23-2007, 11:55 PM   #37
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Quote:
Originally Posted by lazzer408 View Post
Just grab some aluminum rod, drill it, tap it, and JB weld it to the valve cover. It'll stick.

JB-Weld

E X A C T L Y

Not that I've done that.
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Old 06-24-2007, 02:46 PM   #38
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I wonder how cleanly MSI would handle these.
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Old 06-24-2007, 02:57 PM   #39
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I wonder how cleanly MSI would handle these.
And the verdict from a quick search is... no sequential. There is a board in the works for MSII.... but nothing clear yet.

I might get some to keep as a replacement set of "plug wires" though... its like the same cost... and shouldn't burn out like the wires do.
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Old 06-24-2007, 05:25 PM   #40
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so what other advantages does COP offer? besides smoother idle, and increased mpg?
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