7MGTE Main Harness Plug

Dozernl

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#1
Hello everyone I am new to this forum and I have a question. What is the white plug in the picture ? It is part of the main engine harness,and is located in the cabin but for the life of me I cannot find where it goes and 20170309_172030.jpg the car seems to run fine without it being plugged in and everything electrical seems to work as it should. Thanks in advance.

David
 

Dozernl

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#3
Thanks so much for the reply Bmettie. I realized after i posted this that a little more info would have been a help (sorry). The car is a 1990 Supra Turbo R154 with fully built 7mgte and ecumasters emu.
I cant find anyplace to plug that in but it doesn't seem to have any effect on the car.
 

Dozernl

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#5
Not as far as I know. But the guy a bought the car from said it had a jdm engine put in it and the outlet for the heater hose came off the right side of the engine with a rubber heater hose going behind engine and through firewall on left side. So I blocked off hardline and opened up left side and put the right heater hose on it so maybe the harness was from a auto ?