Connection: Wire Harness Connector
Signals: Vcc (Red), Ground (Black), Enable 5V (White), Fault/Indicator (Blue)

Notes:
1. Wire harness colour codes and functions are noted in the diagram, along with wire harness connector details.
2. Indicator signal communicates the module’s health.
3. The enable signal is provided by the control board or flow switch.
2.5 – 5.0V = LED is on | 0.0 – 0.2V = LED is off