The Engine Control Relay function allows the Nexus ECU to control the 12V+ power supply to certain parts of the engine management, such as injectors and ignition coils.  This function should remain enabled when a Haltech supplied universal wiring loom with the integral fuse/relay box has been installed in the vehicle. 

ECR Outputs - sets the number of ECR outputs. These outputs will turn ON/OFF with the ECR output state.

Enable Latched Output - When enabled, the ECR will switch ON with ignition input but be latched until such time as the condition is satisfied.

Stop Condition - Conditions used to disable the Engine Control Relay Output.