Retractor is mounted on the left side and buckle on the right side as you are sitting in the seat. This is an open circuit, when buckled. If wired to the ignition requires that the latch (male side) be inserted in to the buckle in order to complete the circuit which will allow the starting. If wired to a dash lamp the lamp will illuminate when the latch (male side) side is inserted in to the buckle indicating that the seat belt has been connected. Orange Top button The proper use of seats/restraints helps meet applicable OSHA regulations. All of our seats include pre-installed retractable belts for your convenience. For more information, please see the official OSHA regulations for powered industrial trucks.