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Old 04-20-2010, 02:23 AM   #1
nfa_automotive
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White with Red strip jump to Black with Orange strip, White jump to Black with Yellow strip, That just gets everything powered up, then jump White to Black with White strip to kick the starter over. Should run then. Toyota uses two hot wires coming out of IGN switch if they both don't have power going out car wont start

Links to pages in TSRM - http://www.cygnusx1.net/Supra/Librar...x?S=Main&P=040 -----> Ignition System
http://www.cygnusx1.net/Supra/Librar...x?S=Main&P=038 -----> Starter Signal
http://www.cygnusx1.net/Supra/Librar...x?S=Main&P=036 -----> for Power Source
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Last edited by nfa_automotive; 04-20-2010 at 02:53 AM.
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Old 04-20-2010, 09:05 PM   #2
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Now that is some great help. I will try it when i get back to the car.

thank you both very much
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Old 04-21-2010, 12:08 AM   #3
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When I bought my wife's '90 Supra, the ignition key had been punched out and the seller was using a screwdriver to turn it. Car was legal/salvage, so I took it to the local Toy dealer. Charged me something like $300 to replace it.
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Old 04-27-2010, 07:24 PM   #4
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so i jumped the white w/ red stripe to the black with orange stripe and i guess the black one is a ground and the white one is +. the tool i was using to bridge the two got really hot and burned my finger badly hahahaha. so those are obviously incorrect for this car. another thing is i am assuming the solid white wire is supposed to also be a + but on this car its not hot. (no power). so thank you for the help but im really starting to get upset at this car. any other help would be greatly appreciated.
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Old 04-28-2010, 01:12 AM   #5
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I'm not going to leave this thread up much longer, either wrap it up or take it to PM. The administration of other sites may not care about this stuff being posted but I do.

The TEWD covers it just fine, BTW.
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Old 04-28-2010, 04:42 AM   #6
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What is TEWD?
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Old 04-28-2010, 04:44 AM   #7
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Toyota Electrical and Wiring Diagrams

Here's an online copy for '91: http://www.cygnusx1.net/Supra/Library/TEWD/MK3/
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Old 04-29-2010, 05:58 PM   #8
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so i reviewed a major part of the TEWD and cannot figure it out. According to nfa automotive, there shoul be two hot wires but i can only find one. So what colors are the hot wires (positive wires)?
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Massive DDP, 3'' custom catless exhaust, Tsudo muffler 4.5'' outlet, Apexi cold air intake, Act stage 3 clutch, ct26 turbo (stock)- 10psi
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Old 04-30-2010, 12:04 AM   #9
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see these in the TEWD:
Starting System
Ignition System
TCCS


/thread I will be deleting this thread shortly. If your preferences haven't been changed you'll be receiving a copy of this in your email.
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