Early Bronco Windshield Frame

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Understanding the Two Windshield Frame Versions for 66-77 Ford Broncos

The windshield frame on your Early Bronco is more than just a structural component—it plays a critical role in the functionality of your wiper system. If you’re restoring or upgrading your Bronco, understanding the differences between the two main versions of windshield frames is essential. Here’s a breakdown of the 66-68 and 69-77 windshield frame designs and why we offer the latter as a replacement.

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1966-68 Bronco Windshield Frame

The original 66-68 Broncos came equipped with a windshield frame designed to accommodate two separate vacuum wiper motors. These motors were mounted directly onto the frame and operated independently to power each wiper arm. While they were adequate at the time, this setup had its drawbacks:

• Limited Performance: Vacuum-powered wipers often struggled in low-vacuum situations, such as when accelerating or climbing hills.

• Closer Hole Spacing: The two holes for mounting the vacuum wiper motors were positioned closer together compared to later designs resulting in a less desirable wiper pattern. 

For many Bronco enthusiasts, these limitations make the original system less desirable. That’s why it’s common to replace this setup with dual electric wiper motor kits. These kits deliver more reliable and consistent performance, especially in adverse weather conditions, though the wiper pattern will only change if you upgrade to a new windshield.

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1969-77 Bronco Windshield Frame

In 1969, Ford introduced a redesigned windshield frame and wiper system for the Bronco. This version featured a single electric wiper motor with a transmission linkage to power both wiper arms. The benefits of this updated design were clear:

• Improved Reliability: The electric motor provided consistent performance regardless of engine load.

• Streamlined Operation: The transmission linkage ensured synchronized movement of the wipers, improving visibility during heavy rain and reducing the distraction of unsynchronized wipers.

The mounting holes for the wiper motor and linkage assembly were spaced further apart than on the earlier frames, making the 69-77 Bronco wiper transmission linkage incompatible with the 66-68 Bronco vacuum wiper windshield frames.

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Why We Offer the 1969-77 Windshield Frame

At Wild Horses 4x4, we focus on providing the best solutions for your Bronco restoration or upgrade. That’s why we offer the 69-77 Bronco windshield frame as our go-to replacement.

Our replacement windshield frames come ready to support the single electric wiper motor and transmission linkage. If you prefer, you can also install our dual electric wiper motors. Our frame includes the lower hinge pre-installed for simplified installation and a secure fit.

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Making the Right Choice for Your Bronco

Whether you’re restoring your Bronco or upgrading for better functionality, understanding the differences between the two windshield frame designs can help you make an informed decision. With the reliability and versatility of the 69-77 Bronco frame, it’s no wonder this version has become the preferred choice for enthusiasts. Pair it with our wiper kits, glass, seals, and other components to complete your project and keep your Bronco ready for whatever the road—or trail—throws your way.