Wiring for the T1 Dual Pole Hall Effect Cam Sensor is as follows. The 4 pin DTM connector has the pin locations numbered on the back side of the connector.
Pin 1 - Ground
Pin 2 - Cam trigger output
Pin 3 - Crank trigger output
Pin 4 - 8-16 volt power supply
Incorrect wiring will damage the sensor. All sensors are checked for operation before shipping, there is no warranty on damaged sensors
The air gap between the sensor face and the magnet should be .035-.060"