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Graco 15A854 Main Display Wire Harness

The Graco 15A854 Main Display Wire Harness ensures reliable electrical and signal connection between the main control board and the display, enabling accurate system monitoring and user interface operation.

  • Pre-assembled, shielded harness for plug-and-play installation
  • Maintains signal integrity in industrial environments
  • Durable insulation protects against vibration and abrasion
  • OEM-compatible for easy replacement in control panels

$106
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Graco 15A854 Main Display Wire Harness – Product Overview

Compatible Systems

System / Model Type Description
Graco Control Panels Control units that interface with display boards for system monitoring
Graco Proportioning & Metering Systems Plural‑component systems requiring reliable communication between main controller and display
Graco Repair & Service Modules Replacement harness in service kits for restoring wiring to the display module

Product Description

The Graco 15A854 Main Display Wire Harness is a factory‑designed wiring assembly that connects the main control unit to the display board. It ensures secure and accurate transmission of power and data signals, enabling the system’s user interface to function correctly.

Constructed with high‑quality conductors, shielded lines, and rugged insulation, this harness is built for demanding industrial applications. It supports both signal integrity and electrical stability even in vibration-prone or high‑temperature environments. The 15A854 is essential for reliable display operations, enabling users to monitor and adjust system settings with precision.

Key Features

  • Pre‑assembled wire harness configured for main-to-display connection
  • Shielded conductors to protect against signal interference
  • Color-coded wiring for easy identification and installation
  • Durable insulation designed for industrial stress and high‑vibration environments
  • OEM‑grade compatibility ensures seamless integration and replacement

Technical Specifications

Part Number 15A854
Component Type Wire Harness (Main to Display)
Use Case Links main control board to display board for data and power communication
Wire Material Copper conductors with shielded and insulated jacket
Function Transmits power, signal A, signal B, and common lines between controller and UI
Serviceability Designed for direct replacement in control panel service kits

Installation & Maintenance Tips

  • Always power off the control system before disconnecting or installing the harness to avoid damage.
  • Follow the wiring diagram carefully — the 15A854 includes multiple conductors (e.g., 15VDC, signal A, signal B, common) for correct display operation. 
  • Route the harness away from heat sources, sharp edges, or vibration zones, and secure it using ties or clamps.
  • Verify proper connector engagement and locking to prevent intermittent signal loss.
  • After installation, power up the system and validate display functionality by navigating through the menu and observing stability.

Frequently Asked Questions

It provides electrical and signal connectivity from the main control board to the display board, enabling user interface operations and system monitoring.

Replace the harness if there's intermittent display behavior, visible damage to wires or connectors, or during control panel maintenance or rebuilds.

No — for experienced technicians, installation is straightforward: route the harness, connect the plugs, and secure it. Just ensure correct wiring and strain relief for long-term reliability.

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