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Graco 15K102 Wiring Harness

The Graco 15K102 Wiring Harness is a factory‑specified electrical wiring bundle that connects key components in your sprayer’s control system, providing reliable signal and power pathways.

  • OEM wiring harness for Graco spray systems
  • Pre‑bundled wires for control panel, sensors and solenoids
  • Critical for maintaining safe and correct electrical function

Retail Price: $232
You save: $29 (12.50%)
Our Price: $203
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Graco 15K102 Wiring Harness – Detailed Product Overview

Compatible Machines

  • Graco LineLazer IV 3900 / 5900 Auto‑Layout systems specifying part 15K102
  • Graco electric sprayers where the wiring harness is listed as 15K102 in parts breakdown

The Graco 15K102 Wiring Harness replaces the factory wiring bundle that joins switches, control boards, sensors and solenoids within certain Graco sprayer systems. A damaged or unreliable harness can cause poor performance, mis‑readings or failure of critical functions. Using this genuine replacement ensures proper routing, correct wire lengths and factory‑rated connectors for safety and durability.

Key Feature Description
Factory‑Rated Wiring Meets Graco’s insulation, length and connector standards.
Pre‑bundled Design Reduces installation time, ensures correct routing.
OEM Connectors Ensures secure and correct electrical connections.

Installation & Usage Tips

  • Shut off power and relieve electrical system before replacing harness.
  • Remove old harness and label each connector before uninstalling to ensure correct re‑installation.
  • Install new harness following bundling and routing paths as original to avoid abrasion or interference.
  • After installation, test each control component (switches, sensors, solenoids) to confirm proper operation.

Frequently Asked Questions

Signs include burnt wires, connector corrosion, intermittent control failures, or visible insulation damage.

While possible, splicing can compromise insulation, electrical continuity and routing integrity. A full OEM harness is recommended for best reliability.

Installation time depends on access and model, but replacing a full harness generally takes 30–60 minutes on many cart units.

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