- Troubleshoot tractor trailer circuits
- One person can now test all the lighting
- Allows bypassing of troubled circuitry while on the road
- Eliminates guesswork
- Packaged with an extra jumper connector
- "Winged" grip for easy removal from electrical connector
WARNING: This product can expose you to Lead and lead compounds a chemical known to the State of California to cause cancer and birth defects or other reproductive harm. - www.P65Warnings.ca.gov.