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 four taillights on semitrailer, this procedure replaces one taillight. All other
taillights are replaced the same.