9101 Trailer Light Tester (7-Way Spade Pin Style with Trailer Plug Adapter) Test Trailer Lighting and Brake Systems | Trailer Plug Tester Avoid Blown fuses and Light Tester

All-in-One ConnectivityTrailer 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 Tool9101 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-ResistantLight Tester Tool 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 ProtectionFeatures built-in short-circuit protection to safeguard both the tester and the trailers electrical system during diagnostics. Auto-resetting prevents damage from accidental wiring faults
Portable & Ready to UseTrailer 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 ServiceOur 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