Quick view ECR Performance Relay Module with Fuses 8 Channels - With or Without Fault Indicator Our integrated relay module box can be activated using either positive or negative signals depending of the desired configuration. Works with most ECU brands like: O’cttane, MaxxEcu, Fueltech, Haltech, Motec, Microtech, Racetec, PowerMod,... MSRP: Was: Now: $158.50 - $188.50 Choose Options