[Biturbos4] B5 tip S4: gray relay in ECU plenum / torque converter clutch

Ameer Antar antar at comcast.net
Mon Jul 20 12:28:28 PDT 2009

Does anyone know what the gray relay is for in the ECU plenum? I found that it was not plugged in all the way. Could this be the relay for the torque converter clutch? Is there a relay for that? I ask because I would like to prevent the torque converter clutch from operating for some tests.


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