Are you experiencing issues with your MerCruiser’s shift interrupter switch? Many boat owners face frustrating situations where their MerCruiser won’t smoothly transition from gear to neutral due to a malfunctioning interrupt switch. If you’re considering bypassing the shift interrupter switch, we have a smarter, more effective solution: the Marsden Smart Interrupt.

What Is the Smart Interrupt?

The Smart Interrupt is a patented, electronic alternative to the traditional mechanical shift interrupter switch. Designed specifically for MerCruiser and OMC engines, it momentarily interrupts the engine only when transitioning from gear into neutral, ensuring smooth shifts and minimizing strain on the lower shift cable.

Why Choose Smart Interrupt Instead of a Bypass?

Bypassing your shift interrupter switch can be risky for long-term engine health, potentially leading to more severe issues. With Smart Interrupt, you don’t need a workaround. Here’s why it’s the best choice:

  1. Reliability and Durability: Unlike mechanical switches prone to corrosion and wear, Smart Interrupt’s advanced electronic design ensures consistent, long-lasting reliability.
  2. Ease of Installation: Installation is as simple as mounting the sensor, connecting the USB to the control module, and wiring it to your factory interrupt wires. No complicated adjustments—just plug and play!
  3. Smoother Shifts: Smart Interrupt provides seamless gear transitions, reducing the risk of stalling and protecting key components.

How Does It Work?

Smart Interrupt actively monitors the gear shift position and only momentarily interrupts the engine during transitions from gear to neutral—the precise moment when mechanical switches often fail. This targeted interruption ensures a smoother transition, protecting your MerCruiser’s shift cable and maintaining reliable performance.

A Safe, Effective Alternative to Shift Interrupter Bypass

Choosing Smart Interrupt means choosing precision engineering that’s compatible with a range of MerCruiser setups. Rather than bypassing the shift interrupter entirely, trust in a solution specifically designed to address the unique needs of MerCruiser owners. No more rough shifts or interrupted boating experiences—just smooth, worry-free gear transitions every time.


Ready to Experience Seamless Shifts?
Upgrade to Smart Interrupt today and say goodbye to unreliable shift interrupters. Order Now and take control of your boating experience.

Frequently Asked Questions

1. Do I need to bypass my MerCruiser shift interrupter switch with Smart Interrupt?

  • No, the Smart Interrupt eliminates the need for a bypass by providing an advanced electronic alternative that ensures reliable shifts from gear to neutral without stalling.

2. Is it compatible with all MerCruiser engines?

  • Yes, Smart Interrupt is designed for a wide range of MerCruiser and OMC engines. Feel free to contact us if you need specific compatibility information.

By choosing Smart Interrupt, you’re investing in long-term reliability and smoother boating. Don’t settle for unreliable switches or risky bypass methods. Experience the difference with Smart Interrupt today!

Marine Tech

Driven by a commitment to innovation, we introduced the Smart Interrupt to solve common stalling and shift issues, enhancing the boating experience for enthusiasts everywhere.

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