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The mkiv Supra Owners Club

Greddy boost cut to JDM Supra TT Install help


RZtwin

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Can someone plz lead me to a clear diagram on how to install the Greddy bcc to my 93 jdm Supra? Also does it change if I have a Greddy speed cut already installed, or Greddy protec-b II I plan to install at a later time. Thank you for the help!

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Red from BCC to ignition switched 12 volt feed, Black to chassis ground, cut the yellow wire with black tracer from the MAP sensor to the ecu, near the ecu itself. You then have two ends of yellow / black wire. The end going to the ecu is joined to the blue wire on the BCC. The green wire from the BCC goes to the other end of the yellow/ black wire that goes to the MAP sensor.

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  • 6 months later...
Red from BCC to ignition switched 12 volt feed, Black to chassis ground, cut the yellow wire with black tracer from the MAP sensor to the ecu, near the ecu itself. You then have two ends of yellow / black wire. The end going to the ecu is joined to the blue wire on the BCC. The green wire from the BCC goes to the other end of the yellow/ black wire that goes to the MAP sensor.

 

Hey Chris, my Greddy BCC has a WHITE, BLACK, GREEN, RED wires only. No Blue.. I guess I have the older version bcc. It Says " "type 3S-GT(SW20)" on the front. Can you clear me up on which ecu pin out, the green and white wire from the bcc, go to on my JDM Supra TT ECU?

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