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4G63T in Toyota Truck - Sourcing wiring harness?

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meat

Probationary Member
7
0
Oct 13, 2010
morgan city, Alabama
is there a differnce between a na wiring harness and a turbo harness in 92 .iam putting a 4g63 in a toyota truck and i cant find a turbo harness . flame if you want its all good but it would help a lot to know if there is .and can by chance can the harness be alterd to work with a turbo ???
 
Yes there is a difference but you can modify the N/A harness to work. You will still need a turbo ECU though.

Check out this tech article that mavisky wrote: http://www.dsmtuners.com/forums/articles-engine-fuel/37019-installing-turbo-4g63-into-nt-4g63.html

what you'll need to wire in:

7th wire from mas - the 7th wire from the mas needs to be run back to pin number 6

knock sensor - one wire can be grounded to the engine bay somehow, the other white wire needs to be run back to pin number 9 on the ecu.

wastegate solenoid - one wire here will be grounded, the other returns to the ecu at pin number 105

injector resistance pack - this is the most dificult. i'll let the following pictures describe it rather than trying to explain it in text. if you have any questions just ask.

And here is a tech article by TimG on how to wire the injector resister pack on a 1g n/t harness: http://www.dsmtuners.com/forums/articles-electrical-wiring/174314-injector-resistor-pack-wiring-1g-n-t-turbo-conversion.html

Hope this helps!
 
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