AMP Research 19-02890-90 PowerStep Double Diode Replacement Component

The AMP Research 19-02890-90 PowerStep Double Diode is an OEM replacement electrical component designed for use with AMP Research PowerStep automatic retractable running board systems. This double diode allows two separate door-ajar trigger signals — such as those from a sliding door and a passenger door — to be combined into a single input on the PowerStep controller, ensuring clean, conflict-free step operation.

Key Features:

• Genuine AMP Research replacement part (Part# 19-02890-90)
• Double diode configuration combines two door trigger signals into one controller input
• Prevents conflicting signals that can cause improper PowerStep operation
• Required when triggering a single PowerStep side from multiple door-ajar circuits
• Compact, pre-wired component for straightforward installation
• Compatible with AMP Research PowerStep systems across multiple vehicle applications

This double diode is a certified AMP Research replacement part, sold individually (qty 1). It is commonly included in PowerStep installation hardware kits and is also available separately for repairs or multi-door trigger wiring configurations.