wipers work motor works don’t want to put to much money in to old work truck.
the wiper motor has two wires one hot one ground. the toggle switch as two connectors. run the hot wire from the wiper motor to the on side of the switch then direct to the battery or splice into another hot wire when the key is turn to the on position the other wire the ground goes to the other side of the switch then to a good ground.
run a toggle switch from the motor to the switch. run 1 wire from the motor to the toggle switch and another wire from the toggle switch to the battery.