Plug your tester into the tow vehicle's towing plug
Operate vehicle's turn signals, lights and brakes
When the power is present, the tester's green LED light will glow

Technical Details

Size (LWH): 7 inches, 3.8 inches, 1.2 inches
Product Details
Product Dimensions: 7 x 3.8 x 1.2 inches
Shipping Weight: 0.2 pounds (View shipping rates and policies)
ASIN : B008L2WFMU