EGT sensor on AEM
01-13-2010, 10:38 PM
#1
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Thread Starter
EGT sensor on AEM
After my most recent turbo rebuild I decided it might be wise to check my Exhaust Gas Temperature.
I purchased an AEM 30-2050 Exhaust Gas Temp (EGT) Sensor Kit.
Installation was a bit difficult. There is no room for it on the turbo manifold before the turbo where it's meant to go. I had to install it just downstream of the turbo in the downpipe.
You can see it behind the turbo beanie.
I then went to wire it into the AEM EMS. The instructions that come with it say that polarity is not important and on the 30-1012 to connect it to +5V and one of the available EGT input channels. I chose A5 (EGT #1) and B7 (FM, +/-5V). And now that I read that I think I might see the problem. What does +/-5V mean? What does FM mean?
Where can I get 5V power on the AEM ECU? There are plenty of +5V Sensor connectors but they are all dedicated for various sensors.
I purchased an AEM 30-2050 Exhaust Gas Temp (EGT) Sensor Kit.
Installation was a bit difficult. There is no room for it on the turbo manifold before the turbo where it's meant to go. I had to install it just downstream of the turbo in the downpipe.
You can see it behind the turbo beanie.
I then went to wire it into the AEM EMS. The instructions that come with it say that polarity is not important and on the 30-1012 to connect it to +5V and one of the available EGT input channels. I chose A5 (EGT #1) and B7 (FM, +/-5V). And now that I read that I think I might see the problem. What does +/-5V mean? What does FM mean?
Where can I get 5V power on the AEM ECU? There are plenty of +5V Sensor connectors but they are all dedicated for various sensors.
01-13-2010, 11:32 PM
#2
I know this has nothing to do with your question but is the EGT probe a K type. If it is, it is polarity sensitive and if its hooked up backwards, the reading will be off.
01-14-2010, 09:49 AM
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Originally Posted by AusS2000,Jan 13 2010, 11:38 PM
After my most recent turbo rebuild I decided it might be wise to check my Exhaust Gas Temperature.
I purchased an AEM 30-2050 Exhaust Gas Temp (EGT) Sensor Kit.
Installation was a bit difficult. There is no room for it on the turbo manifold before the turbo where it's meant to go. I had to install it just downstream of the turbo in the downpipe.
You can see it behind the turbo beanie.
I then went to wire it into the AEM EMS. The instructions that come with it say that polarity is not important and on the 30-1012 to connect it to +5V and one of the available EGT input channels. I chose A5 (EGT #1) and B7 (FM, +/-5V). And now that I read that I think I might see the problem. What does +/-5V mean? What does FM mean?
Where can I get 5V power on the AEM ECU? There are plenty of +5V Sensor connectors but they are all dedicated for various sensors.
I purchased an AEM 30-2050 Exhaust Gas Temp (EGT) Sensor Kit.
Installation was a bit difficult. There is no room for it on the turbo manifold before the turbo where it's meant to go. I had to install it just downstream of the turbo in the downpipe.
You can see it behind the turbo beanie.
I then went to wire it into the AEM EMS. The instructions that come with it say that polarity is not important and on the 30-1012 to connect it to +5V and one of the available EGT input channels. I chose A5 (EGT #1) and B7 (FM, +/-5V). And now that I read that I think I might see the problem. What does +/-5V mean? What does FM mean?
Where can I get 5V power on the AEM ECU? There are plenty of +5V Sensor connectors but they are all dedicated for various sensors.
01-14-2010, 03:06 PM
#5
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Thread Starter
Originally Posted by Spoolin,Jan 14 2010, 06:32 PM
I know this has nothing to do with your question but is the EGT probe a K type.
Sensor Element: Platinum sensor in thin film technology.
01-14-2010, 05:38 PM
#6
I dont have any experience with those sensors so maybe they arent polarity sensitive. I'm more familiar with K type sensors. You'll probably be fine then and if they said it didnt matter about the polarity then I assume they know best.
01-14-2010, 06:50 PM
#7
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Thread Starter
Ok, I'll try one of the Sensor +5V.
Next question, Greddy Oil Pressure sender. I have one plugged in and it has three wires: Red, Black and White. I assume Black is ground and white is signal. Anyone know if Red is +12v or +5V? Any one have calibration figures for the Greddy oil pressure sender?
Next question, Greddy Oil Pressure sender. I have one plugged in and it has three wires: Red, Black and White. I assume Black is ground and white is signal. Anyone know if Red is +12v or +5V? Any one have calibration figures for the Greddy oil pressure sender?
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