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Originally Posted by doubleurx
The connection looks OK, but nothing happens between the control unit and the guage. For instance the peak does not read nor can I toggle through peak settings on that guage. The guage has power and goes through the start and end sequence in the normal fashion.
If it is the sender (I am assuming this is the wire from the control unit to the guage), where can you get replacements?
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No! The sender is the pressure sensor under the hood hood that's connected to the control box.
If the gauge display performs the sweep correctly during power on, then the display is working fine (that's the point of the sweep test). If the control unit is not receiving data from the sensor for a particular gauge, the gauge blinks the warning light to tell you there's an issue with the sender. This means the problem is with the pressure sender under the hood, or with the wire connecting that sender to the control unit.
If the sensor is busted, here's the part you need:
http://shop.edoperformance.com/produ...bce5531fa3e128
But check to make sure the wire isn't just unplugged or cut or something, since that's an easy and cheap fix.