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Old 05-28-2014, 11:52 AM   #1
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Default No voltage to IAC Valve

We are trying to get idle control working on a 99 Miata with an MSLabs MS2 enhanced PnP. There is currently no power at the IAC. The ECU is second hand and we have no documentation. There are 7 wires that are unterminated and not a part of the PnP harness. 1 of them (yellow wire) is connected to 5V and that's it. Are we missing something here?
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