
Auto Trans Brake Solenoid
Auto Transbrake Input Protection Module
Auto Transbrake Input Protection Module; Allows ECU Input To Be Safely Connected To The +12V Side;
554-128 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 body powers every NASCAR Sprint Cup Series(TM) team. Top racers are making the switch to Holley EFI every day. Racers like Tom Bailey who set three new records and took the overall event win on the 2013 Hot Rod Magazine Drag Week and John Scali who used it to win the 2013 JEGS All Star race. But that's not all. The world's best street machine builders and tuners are making the switch to Holley EFI. Builders like Dave Lane who used Holley EFI to power the 2013 Goodguys Hot Rod of the Year and tuners like Steve Morris who use it to build some of the baddest forced induction beasts on the planet. It's the easiest, most refined, feature-rich system that money can buy. But, don't take our word for it, see what the best are saying about Holley EFI!
** Please contact us for shipping quotes to Alaska, Hawaii, Guam, Puerto Rico and International destinations **

Payment
We accept payment by any of the following methods: PayPal
Please pay as soon as possible after winning an auction, as that will allow us to post your item to you sooner!
Returns & Warranty
Uninstalled products may be returned within 30 days of the purchase date. Buyer is responsible for return shipping. Original shipping charges will not be refunded. All returns are subject to a 20% restocking fee. Exchange of equal or greater value may not be subject to a restocking fee.
Warranty on product is replacement of part only for defects in materials and workmanship. No cash or compensation for labor will be given for defects in material and workmanship. Defective part must be returned in order for new part to be provided. Visit our store for futher details.
Shipping
We ship Monday-Friday and strive for orders to ship within 1-2 business days. We use UPS, FedEx and USPS for the majority of our orders but reserve the right to use alternative but comparable means to get you your product as quickly and efficiently as possible. All orders shipping UPS will require a physical address, please provide this upon ordering to expedite the shipping process.
International Buyers
Import duties, taxes and customs clearance and other charges are not included in the item price or shipping cost. These charges are the buyer's responsibility. Please check with your country's customs office to determine what these additional costs will be prior to completing your purchase.

Auto Trans Brake Solenoid
Auto Transbrake Input Protection Module
Auto Transbrake Input Protection Module; Allows ECU Input To Be Safely Connected To The +12V Side;
554-128 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 body powers every NASCAR Sprint Cup Series(TM) team. Top racers are making the switch to Holley EFI every day. Racers like Tom Bailey who set three new records and took the overall event win on the 2013 Hot Rod Magazine Drag Week and John Scali who used it to win the 2013 JEGS All Star race. But that's not all. The world's best street machine builders and tuners are making the switch to Holley EFI. Builders like Dave Lane who used Holley EFI to power the 2013 Goodguys Hot Rod of the Year and tuners like Steve Morris who use it to build some of the baddest forced induction beasts on the planet. It's the easiest, most refined, feature-rich system that money can buy. But, don't take our word for it, see what the best are saying about Holley EFI!
** Please contact us for shipping quotes to Alaska, Hawaii, Guam, Puerto Rico and International destinations **
We accept payment by any of the following methods: PayPal
Please pay as soon as possible after winning an auction, as that will allow us to post your item to you sooner!
Payment
Shipping
We ship Monday-Friday and strive for orders to ship within 1-2 business days. We use UPS, FedEx and USPS for the majority of our orders but reserve the right to use alternative but comparable means to get you your product as quickly and efficiently as possible. All orders shipping UPS will require a physical address, please provide this upon ordering to expedite the shipping process.
Uninstalled products may be returned within 30 days of the purchase date. Buyer is responsible for return shipping. Original shipping charges will not be refunded. All returns are subject to a 20% restocking fee. Exchange of equal or greater value may not be subject to a restocking fee.
Warranty on product is replacement of part only for defects in materials and workmanship. No cash or compensation for labor will be given for defects in material and workmanship. Defective part must be returned in order for new part to be provided. Visit our store for futher details.
Returns & Warranty
International Buyers
Import duties, taxes and customs clearance and other charges are not included in the item price or shipping cost. These charges are the buyer's responsibility. Please check with your country's customs office to determine what these additional costs will be prior to completing your purchase.