CLEARANCE AND RUNNING LIGHTS REPLACEMENT
Tools and Special Tools
Tool Kit, General Mechanic's
Disconnect electrical power from towing vehicle
Detergent, General Purpose
Remove all power to semitrailer prior to making any repairs on the electrical system.
Failure to comply may result in death or injury to personnel. Seek medical attention in the
event of an injury.
There are seven running lights and clearance lights on semitrailer, this procedure replaces
one running light and clearance light. All other running lights and clearance lights are
replaced the same.