Holley EFI Protection Module - Transbrake Input DMI Intermediate-High Torque

Intermediate-High Torque

rope-lay copper cable for best current carrying capabilities

1989-1991 Chevrolet R2500 Suburban

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Holley EFI Protection Module - Transbrake Input DMI Intermediate-High Torque554 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. Holley is quickly becoming The New Standard In EFI! Holley's HP ECU is standard equipment on the 2013 2014 Chevrolet COPO Camaro and Holley's EFI throttle