1JZGTE Wiring Question
#1
Driver
Thread Starter
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I've already searched for this and there's so many threads about the 1JZ and about wiring that it gets hard to sift through. I just need to know how far to extend the harness and if anything needs to be spliced into my current ECU. I know this is a pain to answer to that it's probably been seen thousands of times but i couldn't find it
#3
Driver
Thread Starter
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Okay is that all that needs to be done or am I repinning anything to the stock ECU? Sorry I also have a subaru where the swaps are really difficult to wire so I'm kind of confused by how simple this all sounds
#5
Driver
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Okay what is the worst case scenario on the repinning? I already ordered the engine and like an idiot i didn't ask what year it is. All I know is that it's an Automatic Soarer non VVT-I. Any help would be amazing
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#8
Instructor
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im assuming your going to keep the 5spd in the car? if so your probably going to need to find a 5spd 1jz ECU and either find a 5spd wiring harness or modify the automatic harness to work with the 5spd
other than that you shouldnt have to mess with much. the body plugs should be very close to plug and play
other than that you shouldnt have to mess with much. the body plugs should be very close to plug and play
#10
Instructor
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the automatic ecu has functions that the 5speed ecu doesnt. Such as functions for the shift solenoids, and the lockup solenoid for the converter, etc. The auto ecu is going to be looking for signals from these solenoids, if you use a 5spd trans they wont be there. Which is why i think at the very least your going to have to find a 5spd ecu.
the wiring harness is going to be different because of the transmission as well. Normally the neutral safety switch is built into the gear selector on the automatic transmission..... on a 5spd there is no gear selector and the neutral safety switch is under the clutch pedal IIRC. There also may be a slight difference in the speed sensors since they are in the trans as well. The wiring harness can be modified though, it might not be the easiest thing to do but it can be done.
the wiring harness is going to be different because of the transmission as well. Normally the neutral safety switch is built into the gear selector on the automatic transmission..... on a 5spd there is no gear selector and the neutral safety switch is under the clutch pedal IIRC. There also may be a slight difference in the speed sensors since they are in the trans as well. The wiring harness can be modified though, it might not be the easiest thing to do but it can be done.
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