test bcs wiring harness? help
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This is a discussion on test bcs wiring harness? help within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; How can you test to see if the wiring harness for the bcs is still working? Would turning the car ...

  1. #1
    Supporting Member yamaha_rider619's Avatar
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    Jul 2009
    colorado is home, Kansas is the temporary home
    I Support ClubWRX

    test bcs wiring harness? help

    How can you test to see if the wiring harness for the bcs is still working? Would turning the car to the on position and using a voltmeter? Or are there other ways that would be better?
    2003 Subaru Wrx Vf39'd
    Bugeye mafia #300

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  3. #2
    Admiral Ackbar the 1st mycologist's Avatar
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    Oct 2005
    Late Devonian
    I Support ClubWRX
    Put it in test mode and check with a voltmeter.

    You should just see if someone in the CO regional forum has a cable and log the car with romraider. Or get a cable and use it to reflash once you get this sorted out. Look at e.g. wastegate duty cycle and check your IAM to see if the ECU is pulling boost. If WGDC is pegged then it is the boost control system or a boost leak (like a leaky/unadjusted BOV maybe)
    "From a little spark may burst a mighty flame." - Dante
    "The stitch is lost unless the thread is knotted." - Italian proverb

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