Is it possible to get a complete awning system for a 1990 HiLO if it didn't have one already installed? if so, do you know where I could find them at?

I think you can. I believe mine's a Dometic brand. Here's a link to their buying guide: http://www.dometic.com/QBankFiles3/E...-Web_30579.pdf

Welcome to the forum!

- Jack

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Hi-Lo 1707T - Tire Minder TPMS on Tow Vehicle and Trailer, 300W Solar Battery Charger, Equal-i-zer WDH, Progressive Dynamics Converter, Fan-Tastic Fan, LiFePO4 battery 12V DC Electrical System, SoftStartRV mounted on A/C
2024 F150 Platinum FX4 3.5L PowerBoost SCrew

Welcome to the forum. The only thing else you would need to get are the lower awning brackets.

http://hilotrailerparts.webs.com/app...s/show/2074618

Parts are available at the links below.

Home - JR REPAIR

http://hilotrailerparts.webs.com/apps/webstore/

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"Ruben"
2404T, 2003 2500HD 4X4 GMC Sierra SLT Crew Cab w/Astro camper shell and 2003 Chevy Tahoe LE 4X2
Far West Texas

If a complete awning and hardware are too expensive perhaps you could consider an easy up shelter.