This sensor is needed if you are exceeding the limit of your internal map sensor on your ECU or want to run an external map sensor on your setup. Reads up to 135.3 psi! Output: 0.5-4.5V Supply: 5V Range: -14.7 psi to +135.3 psi (0-150 psi absolute) Thread size: 1/8" NPT Connector Pinout: A - Ground B - 5V C - Signal
