1 Turn the Headlight Switch to the On position. 2  Set your multimeter to Volts DC mode. 3  Probe the wire that corresponds to the number 13 with the red multimeter lead. 4  You can accomplish this by using a Wire Piercing Probe (To see what this tool looks like, click here: Wire Piercing Probe). Turn the Headlight Switch to the On position. 2  With your multimeter to Volts DC mode: 3  Probe the wire that corresponds to the number 12 with the red multimeter lead. 4  The best way to do this is using a Wire Piercing Probe (To see what this tool looks like, click here: Wire Piercing Probe).
odontoid process. the toothlike projection that rises perpendicularly from the upper surface of the body of the second cervical vertebra (axis) and that serves as a pivot point for the rotation of the atlas (first cervical vertebra), enabling the head to turn. Also called the dens.
mastoid process a conical projection at the base of the mastoid portion of the temporal bone. maxillary process. 1. maxillary prominence. 2. a bony process descending from the ethmoid process of the inferior nasal concha. nursing process see nursing process. odontoid process a toothlike projection of the axis that articulates with the atlas. pterygoid process either of the two processes of the sphenoid bone, descending from the points of junction of the great wings and the body of the bone, and each consisting of a lateral and a medial plate.