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Reverant Reverant is offline

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  1. OverRev
    05-02-2018 11:58 AM - permalink
    Hi, Reverant.
    I have a 2002 Miata with FM2 turbo kit. It's retrofitted with OEM A/C by mazda dealership, so pretty much all A/C part and wiring is same as stock unit. I have the MS3 PNP purchased from you to run the car. I couldn't get the A/C to work. I didn't check the A/C till these couple weeks the local weather is getting hot. Took it to mazda to check if it's possible the frezon is low or system is leaking, they have everything refilled and it's not leaking. They found the compressor is not engaging, but they couldn't diagnostic it because they said I have an aftermarket ECU. can you give me some pointer in this case? do i have to wire the A/C up in some special way or set it up with any jumper? or it's all PNP? Thank you for your time and help.
  2. Hella_Rare_Yellow
    07-11-2011 01:13 AM - permalink
    Hey, I hear you build ms's for 01+?
    Is this true?


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    Athens, Greece
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    Originally Posted by ninerwfo View Post
    The “into to megasquirt thread” mentions that the MS3 basic has 5 inputs with built in pull up resistors - and I was just wondering why it would have so many, while the MS3Pro PnP has just 2 (with no pull ups?)
    MS Labs: Plug and Play Megasquirt ECUs for ANY 90-05 Miata (NA, NB1, NB2 w/VVT, MSM), including basemaps to get you started ASAP. PM me or email or details.
    For support on MS Labs ECUs: Please email, be sure to include the unit's serial number and include a datalog and your current map.


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  • Join Date: 06-08-2006


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