Please visit the links below for the collections of Truck Cab Roof Clearance Light installation guide and help.
General Installation Guide for LED Roof Cab Marker Lights
iJDMTOY Truck Off-Road Lighting Installation Guide Glossary
Universal Fit LED Truck Roof Cab Marker Light Installation Guide
Truck LED Roof Cab Marker Light Kit Installation Guide
2007-up Chevy GMC 2500HD 3500HD LED Cab Roof Marker Lights Assembly Installation Guide
For more help, you can also visit our Tech Support Center or contact us