![2024 - 2026 GM Controller Adapter Module [381-7074] for Electric Over Hydraulic System - Hydrastar](https://cdn.shopify.com/s/files/1/0649/2215/7246/files/2024_-_2026_GM_CONTROLLER_ADAPTER_MODULE_381-7074_FOR_ELECTRIC_OVER_HYDRAULIC_SYSTEM__png.jpg?v=1777561455&width=800)
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![2024 - 2026 GM Controller Adapter Module [381-7074] for Electric Over Hydraulic System - Hydrastar](https://cdn.shopify.com/s/files/1/0649/2215/7246/files/2024_-_2026_GM_CONTROLLER_ADAPTER_MODULE_381-7074_FOR_ELECTRIC_OVER_HYDRAULIC_SYSTEM__png.jpg?v=1777561455&width=800)
![2024 - 2026 GM Controller Adapter Module [381-7074] for Electric Over Hydraulic System - Hydrastar](https://cdn.shopify.com/s/files/1/0649/2215/7246/files/2024_-_2026_GM_CONTROLLER_ADAPTER_MODULE_381-7074_FOR_ELECTRIC_OVER_HYDRAULIC_SYSTEM__png.jpg?v=1777561455&width=800)
Quantity
1
Description
4.0
4 ratings
5
4
3
2
1
It’s a diode… $65 is robbery. Calling it a module is misleading and false. There is no circuit board or ‘smart’ component to this diode. Not only did my brake controller prematurely fail, and I had to replace it, your equipment isn’t compatible with new trucks…there is no reason it has to send a signal back to the truck!
Brent · June 5, 2025
Worked as advertised.
Stefanie · October 19, 2024





