Garmin GDU 104X Installation Guide

About this manual

This document provides step-by-step instructions for installing the Garmin GDU 104X, including wiring harnesses, video cables, and CHiPS harnesses. It covers mounting requirements, electrical bonding, cooling, and post-installation configuration. The manual also includes hardware modification levels and certification information for aviation use.

The guide is applicable to the GDU 104X and compatible models including GDU 1040, 1040A, 1042, 1043, 1044, 1044B, and 1045. It includes detailed diagrams, part numbers, and installation procedures with safety and compliance notes for aviation certification standards.

What's inside

• General Description
• Installation Overview
• Installation Procedure
• System Interconnects
• Appendix: Outline & Installation Drawings
• Appendix: Interconnect Example

Specifications

Frequently asked questions

Which models is this manual applicable to?

This manual applies to GDU 104X and compatible models including GDU 1040, 1040A, 1042, 1043, 1044, 1044B, and 1045.

Which Garmin models are covered by this installation manual?

The manual applies to the GDU 104X, GDU 1040, 1040A, 1042, 1043, 1044, 1044B, and 1045, except where specifically noted.

What software version does this manual reflect?

This manual reflects the operation of software version 11.00.

What type of coating is on the GDU 104X lens?

The lens is coated with a special anti-reflective coating.