2004silvy

iTrader: (2)

Hello all. I have a question regarding swapping a 5 wire MAF into my 2004 GTO that I've just swapped a 5.3 into. Previous owner cut the 3 wire MAF plug off and spliced a 5 wire plug into it....however they were only using 3 wires from it and appeared be using the stock 2 wire IAT sensor as well. The 5 wire plug is different from the plug that my MAF uses but I have the correct pigtail for it.

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  Question 1 ... anyone know what wires do what so I can wire this correctly? The wire colors are different from the harness to the MAF that I have.
  
  Question 2... should I just wire it to just use the 5 wire MAF as MAF only or use the integrated IAT sensor and not use the factory GTO iat? I still have the GTO IAT plumbed into the air inlet.
  
  Here is a few pics of the connectors I have.
  
  
  First pic is factory wiring that they spliced the 5 pin connector on. Colors from left to right go...
  
  Harness side..........connector side
  Black/red jumper to Black
  Pink. To. Red
  Brown. To. Green
  
  Second pic is 5.3 MAF
  Colors left to right
  
  Yellow...pink...black/white jumper....tan...black(possibly dark purple?)
  
  Third pic is 04 gto IAT plug
  
  Wires left to right
  Brown......green/pink jumper
  
  
  Edit....found more info...
  
  neither one of the vehicles listed in the pinout are exactly what I have but the colors seem to be correct... so judging from this pinout I found I should wire it...
  
  
  Harness side ......MAF pigtail
  Brown/white to yellow
  Pink To Pink
  Black/red To Black/ white Factory harness and spliced plug 5.3 5 wire MAF
  Factory 04 IAT plug
  Pinout thats closest to the colors my 04 gto harness and 2003 5.3 MAF are.