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Thread: AC wiring mr2 people please help anyone help

  1. #1
    Junior Member Grease Monkey
    Join Date
    Jan 2006
    Location
    NSW
    Posts
    162

    Default AC wiring mr2 people please help anyone help

    Guys i am in desprate need of help here, i have an sw20 (mr2) with ac, however the wiring harness has been cut for the AC for an engine rebuild, but i can see the harness where it was cut there is 5 wires i have test light tested them and none seem to have a power to them when i turn the car to AC.
    But one of them has to be it.
    the colous are
    2 blues 1 blue with black and the other blue
    1 pink
    1 brown
    2 blacks 1 black with white (this is the one i thought it was) the other black is a much thicker then the oithers and this wir has insulation with more wire then finally the copper.

    There might be more but i cant find it.

    Any mr2 owners can you do me a huge favour and see what colour the wirinig is that connects to you ac compressor, and if there is any wiring gurus out there - i am looking at you side show, i someone can solve this there is a case of beer waiting for who ever can get this solved i need AC i am melting.

    Thanks
    ~MR2 GT with a big arse turbo + a 3sgte built tonka tuff = lota Fun~

  2. #2
    Junior Member Domestic Engineer
    Join Date
    Dec 2005
    Location
    nsw
    Posts
    593

    Default Re: AC wiring mr2 people please help anyone help

    3sg a/c i think has only 1 wire for the a/c compressor

    its the black with white trace

    the 2 blues goto the small thermo on the inner rear guard

    not sure what pink and brown ones do

    the black one might be for oxy sensor

    the a/c needs to be prssurised for the compressor to turn on aswell

    if no one can figure how to fix it for u get it gassed up and bring it to me and ill sort it out

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