MAF-003 - MAF Adapter 3-Wire + IAT > 5-Wire GT150 3.5mm Narrow 
 
 
This adapter harness allows for plug and play installation of a late-model GM / Delphi 5-wire MAF using the narrow-spaced GT150 Series connector (exclusive on 2001-2005 Corvette) in a 3-wire MAF car. (98-02 LS1 Camaro / Firebird, 97-00 Corvette). The air temperature sensor (IAT / ATS) connector uses the standard Delphi Metri-Pack 150 Series connector found on the majority of GM vehicles.





Connector terminal designations:
| 5-Wire Connector | 3-Wire Connector | Two-Wire Connector | Wire Color | Function | 
|---|---|---|---|---|
| A | - | Violet | Low Reference | |
| B | - | Tan | IAT Sensor Signal | |
| C | B | - | Black/White | Ground | 
| D | C | A | Pink | Ignition Voltage + | 
| E | A | B | Yellow | Mass Air Flow Signal | 

 
 











