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2003 Mustang GT MAF Wiring

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Old 08-14-2013, 07:17 PM
  #1  
pearsonbe
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Default 2003 Mustang GT MAF Wiring

I'm testing the wiring and MAF by guessing at the right wire colors. My Haynes manual only shows four of the six wires I have. And the test procedure doesn't refer to colors for all wires. The code names are REF, SIG, GND (black?), and B+Volt (red).

Here is a picture of the connector.

http://klutchimages.mypearson.info/i...g/P8140260.jpg

Can someone point me to the right schematic or help identify the wires? I need to know which wires are REF, SIG (signal?), and GND.

At some point I need to buy a real service manual.
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Old 08-15-2013, 07:26 AM
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Sonic Mustang
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Somebody posted a link to a pdf of the factory service manual a while back:

http://www.mediafire.com/download/ao...ual_backup.pdf
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Old 08-15-2013, 10:50 AM
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dawson1112
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you have 6 wires because that maf has the iat sensor built into the maf housing.

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Old 08-15-2013, 11:30 AM
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pearsonbe
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Thanks guys! And very timely.
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