A good source for the gm sensors might be gm parts direct.
Gm iat sensor pinout.
Ocpty intake air temperature sensor fit for cadillac chevy buick gmc oldsmobile pontiac 25036751 25037225 25037034 iat sensor.
The following two sections list the supported sensors.
If the sensor is seeing 4 0 volts the ucontrller should see 4 0 volts as.
Gm iat sensor with open element are proper gm style sensors for use with all megasquirt ms3pro ecus and include a 6 wire pig tail with weatherproof connector.
Ideally these are at 0 and 5 volts but are by design ratiometric so if there is a load on the sensor output and it drags the voltage down the references will be pulled down by the same amount.
We also really like the efi connection for gm connectors.
Commonly used with many 1979 newer gm vehicles.
This episode is a quick guide for the iat sensor intake air temperature wiring.
For additional wiring and or pinout information please refer to our ecu wiring information page.
This process is basically the same for any automotive connector.
This sensor is also used with the 2001 2007 corvette and 2005 2006 gto.
Assembled with 12 inch lengths of automotive txl wire.
This sensor connects to the third and fourth pins on the iat connector as shown in the graphic below.
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Simply wire a gm open element iat sensor into your factory wiring harness at the maf connector.
Buy gm open element iat sensor with 6 pigtail by diyautotune.
Lance one thing to keep in mind is the ecu microcontroller has a d references that are normally tied to the sensor voltage.
Genuine delphi gm original equipment manufacturer oem 2 wire metri pack 150 2 connector replacement pigtail for many gm intake air temperature iat sensors.
Having the iat within the maf housing is very convenient.
Aug 11 this is a write up on how to wire in a gm iat intake air temp sensor in a 2g and logging it using dsmlink v3.
Perhaps the most desirable maf sensor for gen iii ls engine conversions is the five wire version that was introduced with the 2000 gm trucks.
Gm iat sensor with open element is the recommended fast response intake air temp sensor iat for use on forced induction vehicles.
Iat sensors have no polarity so it does not matter which wire you connect to which pin.
You ll need a gm iat sensor and an absolute pressure sensor.
