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if you are turboing the 5M - no, use the 5M harness and ECUoper8or said:The question I will begin with is: When I do the change over do I have to use the entire wirring harness out of the 89?
7M, you will have to use the 7M harness and ECU
dash removal is pretty easy on the MKII, I'm pretty sure you would only need to remove the glovebox and intrument cluster to get to the wires you need(7M swap). MKIIIs I have no experience with dash removal so I can't help there.If I do I might have a problem because I have never took the dash out of a Supra.
a good guy to contact would be Matt H at [email protected] He's done a recent Jspec 7M conversion.2: Does anyone have any tips on reading the wirring diagram?
If I'm not misstaken, all turbos have a wastegate. although... I don't much about them yet.3: Does the turbo 89 have a waste gate valve? If so can i use an after market one instead of the stock one.
I've seen several threads in this forum try searching for "turbo rebuild" or something like that for more info.4: If the turbo needs rebuilt, does anyone know where I can ship it to so this can be done.