VTU-20 Silicone

For non magnetic mount option. Place a bead of silicone sealant around the base of the unit, ensuring that a complete ring of silicone is made on the bottom of the unit. Pass the units wiring harness through the center opening and position the unit to align the four mounting bolts to the tour bolt openings on the roof. Lower the unit to the roof evenly ensuring that an even seal is made between the VTU-20 unit and the roof of the car with silicone between them. Apply a thin bead of silicone around the entire base of unit and the roof and smooth with a slightly damp gloved linger to remove excess. Cover tops of screw holes with silicone and press down. Wrap a bead of silicone around location antenna meets the base, press in and around. To allow for proper curing of silicone-based sealants. Installation should be performed when weather conditions will remain free of rain, fog or condensation for a period of 24 hours.