Test light signals coming from tow vehicles with 4/5 flat connectors
Only requires one person to trace each lighting function to the terminal in question
Plugs into trailer plug
Each LED light corresponds to the circuit being energized
Provides an easy-to-connect ground terminal for trailer lighting setup
Return Policy *
30-Day Risk FREE return for refund or replacement
If you are not 100% satisfied with your returnable items,
return the product for a refund.
* Applies to all purchases made on
MatcoTools.com excluding Toolboxes, Tool Carts, Diagnostics,
Welders, Shop Equipment and shipped items weighing more than
150 pounds; Excludes all Gifts and Branded Apparel items
except branded apparel size exchanges for exact items. See
your Authorized Matco Tools distributor for warranty or return
information on purchases made offline.
