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Location:
Epping, Sydney
Registered:
April 2003
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Autometer Shift Light - Tach wire? my birthday pressie is confusing me :D
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Thu, 22 April 2004 08:19
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Was given a shift light for my birthday (yes, today  )
Disclaimer: I am NOT going to wire it up to my dash, and it is small.  The guage that is...
...anyway
Red and black are easy, but I have to run the green one to the "Electronic Ignition Tach Terminal" since I don't have a coil.
Anyone know what cable I can connect it to? Is there one I can steal behind the instrument cluster? do I HAVE to go throught the firewall.
I will write a tech article if someone can let me know to make this easy for those with similar toyotas in the future 
Thanks
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Location:
Perth
Registered:
October 2003
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Re: Autometer Shift Light - Tach wire? my birthday pressie is confusing me :D
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Thu, 22 April 2004 10:39
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That is the wire that counts the spark pulses and sends it to the tacho. For example on my old 308, it was hooked up to the negative side of my ignition coil, on my 1JZ with Haltech, it is wired up to the axulliary out of the computer.
Not knowing much about celicas, I dont know where you can wire it, perhaps off the ignition module, maybe thats were the factory tach runs off. Or you can get a box from autometer that groups all the signals together with coil over spark type ignitions.
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Location:
Perth
Registered:
October 2003
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Re: Autometer Shift Light - Tach wire? my birthday pressie is confusing me :D
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Thu, 22 April 2004 10:40
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Oh yeah sorry Happy Birthday!!!!! 
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Location:
Brisvegas
Registered:
June 2003
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Re: Autometer Shift Light - Tach wire? my birthday pressie is confusing me :D
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Thu, 22 April 2004 11:06
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sorry rob cant help you there mate...but happy birthday
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Location:
Melbourne
Registered:
June 2003
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Re: Autometer Shift Light - Tach wire? my birthday pressie is confusing me :D
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Thu, 22 April 2004 14:30
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im pretty sure theres 2 ways u can do it with coil packs as u got. there should be a signal wire which comes from the ECU and goes to your tachometer. so you could either get some documentation which shows your ecu pin outs. or open the case on the computer, and it might show which is which. or you could pull out ur instrument cluster and tap off the signal wire feeding into the tacho.
hope this helps
Mik.
PS happy bday buddy
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