Audiovox 640 Installation Instructions Manual page 3

FIGURE 1
2. Using the front edge of dome light opening as a
reference location, carefully measure & trim
headliner as shown. Caution: Before cutting
headliner material, check for wiring or other
componentry above headliner. Cut only where
indicated. Make sure that the 7" cut is centered
left to right in vehicle. See Figure 2. DO NOT
OVERCUT HEADLINER.
3. Scribe a center line on the sheet metal roof of
the vehicle in front and rear of openings in
headliner. This will be used for bracket alignment.
See Figure 2.
FIGURE 3
I. PREPARATION OF VEHICLE INTERIOR
1. Remove and retain O.E. dome light by gently
prying downward on rear edge of lens then
slide frame assembly out. Disconnect wiring
and lay dome light in a safe place. See Fig. 1.
4. Install mounting bracket (item 6 pg. 2) with the
bent edges upward. Slide bracket rearward until
rear tabs engage rear O.E. roof brace. Align
notches in bracket with center lines scribed on
roof. See Fig. 3 and Fig. 4.
5. Secure front of bracket to front roof brace using
(2) two # 10 X 1/2" screws (item 1 pg 2).
3
FIGURE 2