Insignia NS-S6900 Guia Del Usuario página 8

NS-S6900 6" × 9" 4-Way 90-Watt Car Stereo Speakers
5 If you have to cut steel behind the vehicle panel, reinstall the
vehicle panel, then use the hole in the vehicle panel as a template
for the hole you need to cut in the steel.
6 Mark the locations for the speaker mounting screws, then remove
the panel and drill the screw holes.
7 Reinstall the panel.
8 Inspect the mounting areas for any metal burrs or rough edges.
File any area that may interfere with the mounting of the speaker,
and clean any metal shavings from the mounting location.
9 Check the mounting location for areas where water or other liquids
may enter the speaker hole. Treat these areas with a water
sealant.
To mount the speakers:
Note
When you wire the speakers, connect the large terminal to
an anode connector in the car wiring harness and the small
terminal to a cathode connector in the car wiring harness.
1 Make sure that the negative terminal on the vehicle battery is
disconnected.
2 Insert the speaker into the mounting hole to make sure that the
speaker fits correctly in the hole, then remove the speaker.
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