【All-in-One Connectivity】Trailer Tester virtually all trailer types with integrated 7-Way Flat (Spade), 6-Way Round, and 4/5-Pin Connectors. Eliminates the need for multiple testers for RVs, boat trailers, utility trailers, and horse trailers
【Single Testing Tool】7 Pin Trailer Wiring Tester Perform complete trailer checks without a tow vehicle. Quickly verify tail lights, turn signals, brake lights, and electric brakes right in the shop or storage site, saving time on pre-trip inspections
【Rugged & Weather-Resistant】7 Pin Trailer Wiring Tester Housed in a durable, water-resistant case built to withstand workshop and outdoor use. The robust construction ensures long-term reliability by protecting internal components from dust and moisture
【Short-Circuit Protection】9101 Trailer Light Tester Features built-in short-circuit protection to safeguard both the tester and the trailer’s electrical system during diagnostics. Auto-resetting prevents damage from accidental wiring faults
【Portable & Ready to Use】Trailer Light Tester Box Compact and portable for easy storage and transport. Operates on a common 12V battery (battery not included), with a clear layout for quick, straightforward diagnostics anywhere
【Worry-Free Service】Our Promise: Full Support & Free Returns.Your satisfaction is guaranteed. If any problems arise with your 9101 Tester, our after-sales team is here to help with free returns and exchanges
