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DIY Turbo Discussion greddy on a 1.8? homebrew kit?

View Poll Results: Are you running coil on plugs and what year is your car?
90 - 93 9 20.00%
94 - 95 4 8.89%
96 - 97 3 6.67%
1999+ 5 11.11%
No COP's here 24 53.33%
Voters: 45. You may not vote on this poll

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Old 03-11-2008, 05:23 PM   #21
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Sure, I'll do it later tonight. I was hoping someone else would so I wouldn't have to show my ugly *** wiring job.
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Old 03-11-2008, 10:37 PM   #22
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Ok. I broke the ground on the second connector after taking the harness off so it looks like I'm installing the new connector sooner than I thought... oops. Here are the pics:

// Celica wire pinout. Same pinout as documented in the other COPs thread... notice white == gnd and black == 12v


// 4 wires from the COPs. big ones for 12v/gnd, little ones for the 2 triggers


// crappy pic of the 1/4 trigger wire. the other connector has 12v, gnd (until I busted it), and 2/3 trigger
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Old 03-11-2008, 10:48 PM   #23
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Anyway, problem solved. I used fatter wires for grounds first and shared them between all four coils, same problem but slightly better results. Car started but still had trouble idling. So what did I do next. I separated the coils into pairs for grounds. I paired them by how they fire. So 1 and 4 was on its own ground and so were 2 and 3. Grounded them both to the valve cover and problems went away. Started easily using my old MSQ file with all my old cranking parameters. Took it for a test drive and it went like a bat out of hell.

Last edited by Saml01; 03-11-2008 at 11:31 PM.
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Old 03-12-2008, 02:12 AM   #24
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Excellent.

Here's the new hotness for anyone who cares. I ran out of heat shrink tubes that have a "1" on them so the 1/4 trigger only gets a "4"



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