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08-07-2010, 10:57 AM
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12psi boost
Join Date: Oct 2009
Location: Crewe, England
Posts: 356
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On my turbo I think one of the main earth leads went to the bolt that holds the steady bar onto the plenum, whether that was standard or just put there by the previous "technician" that's where I put it back & it works fine from there too...
quote "2 are from the engine harness, and the other are the positive and negative terminals from the battery." ------------------ There are 4 ring terminal earths that bolt to the lower plenum stud as cre said ,but just one point- the battery + cannot have an earth as that would = a dead short... the thick red batt.+ with a ring terminal, which is the only battery + with a ring in that area goes to the starter. (theres a smaller ign + with a spade connector that activates the solenoid too, don't forget that, I did!!!)
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'89 MA70 Supra GT aero 3.0turbo JDM, Rebuilt motor, K&N intake, 3" stainless turbo-back. New turbo and braided line kit... '89 Honda NC27 400, NC23 cams, open pipe, PC36a shock & possibly Showa USD forks... '83 Yamaha 29R XJ750E-II, number 69 off the line, only runner in the country? Original except Koni shocks '95 Honda PC26 CB500R, Winter hack, hateful, trying to sell it I'm not paranoid, they really ARE after me!!! 
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08-07-2010, 05:21 PM
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#2 |
 Toyota Racing Development Join Date: Apr 2007
Posts: 5,038
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Didn't even notice that two were the battery wires... them missed that one was the positive.
The ground goes where I said previously... The batt goes to the starter (as MA70-3.0GT) said. The other two go to the one stud on the lower intake plenum which is not connected to the upper. Sometimes not having one to run out and have a look at is a pain....
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08-09-2010, 12:54 PM
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Official hall monitor / search nazi - NO SOUP FOR YOU!
Join Date: Oct 2009
Location: Canada, BC
Posts: 837
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put the two grounds from the engine harness onto the lower intake plenum.
and i put positive on starter and negative on suport bar for upper intake plenum. all works fine thank you guys!
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1984 supra - 1uzfe - w58 - 4.10 - 1 piece aluminum shaft. |
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