An in-vehicle structure comprising: an electric-power converter configured to convert electric power of an electric power source into driving electric power for a traction motor (8a, 8b); and a motor housing in which the traction motor (8a, 8b) is accommodated, wherein the electric-power converter is fixed onto the motor housing, characterized in that the electric-power converter is provided in front of a cowl top in a front-rear direction of a vehicle, the cowl top being a panel extending in a vehicle width direction, a high voltage connector is configured to connect to a power cable that transmits the electric power of the electric power source to the electric-power converter, the high voltage connector is provided on a rear surface of the electric-power converter in the front-rear direction of the vehicle, the high voltage connector is provided at a position lower than the cowl top, the electric-power converter includes a capacitor (21, 23) configured to restrain a high-frequency fluctuation in a voltage of the electric power supplied from the electric power source, and a discharge circuit configured to discharge the capacitor (21, 23), a signal connector is configured to connect to a wiring harness that transmits a discharge instruction signal for operating the discharge circuit to the discharge circuit at a time of a collision, the signal connector is provided on one of right and left side surfaces of the electric-power converter in a width direction of the vehicle, and the signal connector is provided on the vehicle front side relative to a rear end of the electric-power converter in the front-rear direction of the vehicle. an electric-power converter configured to convert electric power of an electric power source into driving electric power for a traction motor (8a, 8b); and a motor housing in which the traction motor (8a, 8b) is accommodated, wherein the electric-power converter is fixed onto the motor housing, characterized in that the electric-power converter is provided in front of a cowl top in a front-rear direction of a vehicle, the cowl top being a panel extending in a vehicle width direction, a high voltage connector is configured to connect to a power cable that transmits the electric power of the electric power source to the electric-power converter, the high voltage connector is provided on a rear surface of the electric-power converter in the front-rear direction of the vehicle, the high voltage connector is provided at a position lower than the cowl top, the electric-power converter includes a capacitor (21, 23) configured to restrain a high-frequency fluctuation in a voltage of the electric power supplied from the electric power source, and a discharge circuit configured to discharge the capacitor (21, 23), a signal connector is configured to connect to a wiring harness that transmits a discharge instruction signal for operating the discharge circuit to the discharge circuit at a time of a collision, the signal connector is provided on one of right and left side surfaces of the electric-power converter in a width direction of the vehicle, and the signal connector is provided on the vehicle front side relative to a rear end of the electric-power converter in the front-rear direction of the vehicle.