10. When the antenna unit is installed with the
connectors facing the rear of the vehicle, the drain
holes are located as shown in Figure 2-4.
4
Figure 2-5
Baseplate Connectors Facing
Front of Vehicle – Recommended
Drain Hole Locations
You MUST drill out the drain holes
as indicated to ensure that any
moisture that enters the baseplate
is able to drain. Ensure that factory-
drilled holes are completely sealed.
10a.(Alternate Drain Hole Locations) If the antenna unit
is installed with the connectors facing the front of
the vehicle, drill out
3
⁄
16
" (5 mm)-drain holes in the
rear-facing side of the baseplate as illustrated in
Figure 2-5. The existing factory-drilled drain
holes shown in Figure 2-4 must then be plugged
with silicone rubber sealant.
Figure 2-4
Baseplate Connectors Facing Rear
of Vehicle – Factory-drilled
Drain Hole Locations
Factory-drilled
Drain Hole Positions
Front of
Vehicle
Recommended
3/16" (5 mm)
Drain Hole Positions
Drain Hole Angle
(relative to baseplate)
Front of
Vehicle
Angle of Hole, relative to front
Angle of Hole, relative to front
