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GM MAP and IAT sensor to miata wiring

 
Old 03-10-2010, 12:02 PM
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Default GM MAP and IAT sensor to miata wiring

is there a schematic or diagram somewhere? Or can someone tell me which wires go to which on the 96 miata?

Thanks
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Old 03-10-2010, 04:55 PM
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Did you get the plug and play loom? If so, Travis should be able to send you the install doc with the wiring. With my setup I used the IAT wiring from the sensor on the airbox for the GM IAT. I wired in the MAP sensor on the plug and play harness itself since I already had a vac line going into the cabin.
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Old 03-10-2010, 05:01 PM
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Cool Thanks.

BTW 96 is differnt than 99. single 5 wire plug for MAF. no IAT in OEM configuration. so IAT and MAP wires to it. except the 5V (goes to TPS).

I had it up and running before, but I swapped to OEM over the winter and havn't messed with it in a while. and I forgot to label the wires, Duh. thought someone might be able to rattle the colors off for me.

I think I got it though.

MAP =
Orange/signal Red w/white stripe
Black/ground Black w/blue stripe
Red/power Spliced 5V from TPS not wired to harness


IAT = 3rd and 4th MAF pins, polarity doesn't matter.

Let me know if I am wrong.
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Old 12-31-2014, 12:28 PM
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Hello Guys,

Is there a wiring diagram that show in detail how to wire the IAT to the correct wires from the car as well as wiring the MAP correctly?

Also do I need a different TPS sensor, or does the one on the car work still with the wiring change?

I have a 1995 Miata that I plan to turbo but I want to get the wiring sorted out.

I plan to use the MegaSquirt ECU.

Thanks
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Old 12-31-2014, 12:44 PM
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wire the AIT back through the MAF connector.

you do not need a different TPS sensor.

This is the Adaptronic forum, but you still want to go MS?
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Old 12-31-2014, 02:07 PM
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Hello,

I apologize! I did not know this was an Adaptronic forum.

My goal for right now is to really understand how the wiring works (when I turbo my 95 Miata) for the AIT, MAP sensor (if I do not go with the MS) and the TPS.

I have been doing a lot of research and found some other thread taking about this but I just wanted a little more detail...

Thank you and please let me know if there is another thread I can view for this type of question.
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Old 01-02-2015, 08:05 AM
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AIT goes into the MAF connector.

MS has a MAP sensor built in.

Nothing needs to happen to the TPS.
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