Audiovox 990 manual CHEVROLET-OLDS-BUICK-PONTIAC-GMC-CADILLAC Installation

CHEVROLET-OLDS-BUICK-PONTIAC-GMC-CADILLAC INSTALLATION

5

CHEVROLET-OLDSMOBILE-BUICK-PONTIAC-GMC-CADILLAC INSTALLATION 1981ANDOLDER

Important-This installation is designed for 1981 and older U.S. made GM cars, trucks, and vans. For 1981 and newer vehicles, an installation kit may be required. See Kit Listing on Page 2 of this manual or refer to the in-store application chart. If a kit is not required, use the following instructions.

1.RemoveExistingRadio:

A.Remove radio knobs and shaft nuts behind the knobs.

B.Locate and remove support brace at back of radio.

C.Push radio back into dashboard to access the wiring and antenna cables plugged into the rear of the chassis.

D.Un-plug the wiring harness(es) and antenna cable and remove the radio.

2.WiretheNewRadio:

A.In most cases it is easier to wire the radio before mounting it. Place the radio near the dashboard so the wires can be led through the opening.

B.Carefully follow the diagrams on pages 10 and 11 or 12 (depending on how many speakers you are using) to wire the radio, making certain all connections are secure and insulated with wire nuts or electrical tape to insure proper operation of the unit.

C.After completing the wiring, turn the unit on to confirm operation (ignition switch must be "on"). If unit does not operate, re-check all wiring until problem is corrected. Once proper operation is achieved, turn off unit and ignition switch, and proceed with final mounting of the radio.

3.InstalltheNewRadio:

A.Thread a shaft nut half-way down each radio shaft.

B.Trim the top edge off of the nosepiece collar at the "CUT OFF FOR GM" mark and place the collar on radio nosepiece.

C.Place the radio behind dashboard and through the radio opening. Adjust the position of the shaft nuts so that the radio nosepiece and collar are flush against the back of the dashboard.

D.Secure the radio with a shaft nut on each radio shaft.

E.Attach one end of the perforated support strap (supplied) to the screw stud on the radio using the hex nut

provided. Fasten the other end of the perforated strap to a secure part of the dashboard either above or below the radio using the screw and nut provided. Bend the strap to position it as necessary.

CAUTION: The rear of the radio must be supported with the strap to prevent damage to the dashboard from the weight of the radio or improper operation of the radio due to vibration.

F. Install knobs on radio shafts.

HEXNUT		HELP!
SCREWSTUD
PERFORATEDSTRAP		1-800-645-7102
	RADIO
SCREW		Monday-Friday 8:30am-7:00pmEastern
		Saturday 9:00am-5:00pmEastern
		TRIMFOR"GM"

METALPARTOF

DASHBOARD SHAFTNUT

HEXNUT NOSEPIECECOLLAR (INCLUDEDWITHRADIO)

DRILLHOLEIFNECESSARY DASHBOARD SHAFTNUTS