Aeromotive 66182 Ally DualX PWM Controller Positive or Negative Pulse

Vehicle Fitment

• Universal - compatible with any OEM fuel system control module (Ford, GM, etc.) using either an OEM Fuel System Control Module (FSCM) or an aftermarket ECM pulse driver
• Confirmed compatible with the OEM Gen2 Cadillac CTS-V2 fuel module when paired with aftermarket high-flow pumps such as AEM or DeatschWerks DW300

Fitment Notes

• Functions as a piggyback controller - it runs alongside the factory FSCM or ECM pulse driver rather than replacing it, driving a secondary fuel pump in sync with the primary
• Accepts either positive or negative pulse signals from the ECM, making it adaptable across different OEM control strategies
• The secondary pump should generally run continuously alongside the primary to avoid running dry under certain conditions

Features

• DualX design: automatically runs a second fuel pump whenever the primary pump is active
• Compatible with either positive or negative ECM pulse driver signals
• Enables use of high-flow aftermarket pumps (e.g., AEM, DW300) alongside factory fuel modules
• Simplifies adding fuel capacity without replacing the entire OEM fuel module control strategy
• OEM-style Delphi/Aptiv connectors for a clean, factory-style installation
• Compact, application-flexible design suited to multiple OEM platforms

Specifications

• Control Type: Piggyback DualX controller
• Pulse Compatibility: Positive or negative pulse driver signal
• Compatible Modules: OEM Ford/GM fuel system control modules; confirmed with Gen2 Cadillac CTS-V2 module
• Compatible Pumps: Aftermarket high-flow pumps such as AEM, DeatschWerks DW300

Included Components

• 1x Ally DualX PWM Controller
• Wiring Harness with OEM-style Sealed Connectors

Product Description

The Aeromotive 66182 Ally DualX controller is a piggyback solution for adding a second fuel pump to a factory-controlled fuel system without replacing the OEM Fuel System Control Module or ECM pulse driver logic. It simply monitors the primary pump's activation signal - whether positive or negative pulse - and runs a secondary pump in sync, giving builders more total fuel flow while keeping the factory control strategy intact.

This makes it a practical option for platforms like the Cadillac CTS-V2, where the factory fuel module can be paired with a higher-flow aftermarket pump (such as an AEM or DeatschWerks DW300) to support increased horsepower, without needing a full stand-alone returnless controller setup like Aeromotive's BoostWorx or ReturnX kits.

This kit suits builders who want to add fuel pump capacity to an OEM-controlled fuel system with minimal complexity - particularly useful when the factory ECM logic should otherwise remain untouched, and a simple secondary pump follower is all that's needed.