Holley EFI Gauge Module

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Holley EFI Gauge ModuleTRANSBRAKE INPUT PROTECTION MODULEOverview554-128 is a device that allows for an ECU input to be safely connected directly to the +12V side of the transbrake solenoid. This device protects the ECU input from damaging flyback voltage which occurs when the transbrake is released. Not using this device will cause damage to the ECU over time. Features: One module required per set of Holley EFI Analog Style CAN Gauges Stereo style connector and pre-pinned ECU wire (to J1-A15) for easy plug and play installation Details:Gauge Background Color: BlackLinksInstruction Sheet Show more