Where to Buy a Trailer Light Tester in Chicago
Whether you run a large fleet or an independent trailer repair shop, one thing’s non-negotiable — working lights. In the Chicago region, where snow, road grime, and salt eat away at electrical systems year-round, a trailer light tester isn’t just nice to have — it’s essential.
If you’re looking to buy a trailer light tester in Chicago, here are your best options, what to look for in a high-quality unit, and why serious shops are turning to diagnostic-grade tools like the Inspector 930.
What Makes a Good Trailer Light Tester?
Before you buy, know what separates a diagnostic tool from a basic pass/fail tester. A professional-grade trailer light tester should:
Test all 7-way circuits under load
Simulate tractor power to detect hidden faults
Identify shorts, opens, and intermittent issues
Support ABS fault code retrieval (if integrated)
Allow one-person operation
Anything less and you're leaving room for guesswork — and DOT violations.
Chicago-Area Shops That Sell or Source Testers
While not all supply houses stock high-end testers on the shelf, these locations in the greater Chicago area may stock or special-order quality trailer light testing tools:
1. FleetPride – Chicago North
📍 1300 Morse Ave, Elk Grove Village, IL 60007
📞 (847) 228-8880
fleetpride.com
FleetPride locations sometimes carry handheld trailer testers or can order in specific brands. Not guaranteed in-stock — call ahead for availability.
2. Truck Trailer Pro Parts & Service
📍 4701 W 137th St, Crestwood, IL 60418
📞 (708) 926-9600
trucktrailerpro.com
A trailer-focused service and parts provider that may stock 7-way testers and offers repair service. They’re a solid resource for Chicago-area trailer techs.
3. Rush Truck Centers – Chicago
📍 4655 S Central Ave, Chicago, IL 60638
📞 (773) 254-2400
rushtruckcenters.com
Rush locations may not stock testers directly but can often source diagnostic equipment for fleet accounts or direct you to approved vendors.
Buy Direct from the Manufacturer: Lite-Check Inspector 930
If you want to skip the local backorders and get a tester that goes far beyond basic lighting checks, order direct from the source.
The Inspector 930 is Lite-Check’s all-in-one trailer diagnostic tool trusted by fleets nationwide. It allows you to:
Test all lighting functions under true load
Power up trailers without a tractor
Pull ABS fault codes from any system
Conduct air brake tests
Complete full inspections solo
Log and print results digitally
For Chicago-area fleets dealing with heavy-duty wear, salt exposure, and tight turnaround times, the Inspector 930 is built to keep trailers compliant and moving.
👉 Order here: lite-check.com/shop/inspector-930
📞 Or call 509-535-7512 to speak with a team member and get a shipping quote.
Final Word: Don’t Compromise on Diagnostics
Not all trailer light testers are created equal. In a region like Chicago, where environmental wear and tight regulations make electrical issues common, investing in a quality unit — like the Inspector 930 — can save labor, reduce downtime, and keep violations off your CSA record.
If you're ready to upgrade your shop’s trailer testing process, make sure you're buying once — and buying right.