INSTALLATION INSTRUCTIONS FOR PART 99-7503 APPLICATIONS 2003-2005 Mazda 6 99-7503 KIT FEATURES • DIN Head Unit Provision • ISO DIN Head Unit Provision KIT COMPONENTS A) Radio/Climate Control Housing Assembly l B) ISO Brackets l C) ISO Trim plate l D) Harnesses A B C D TOOLS REQUIRED: Phillips Screwdriver I Small Flat Blade Screwdriver I Socket Wrench 1-800-221-0932 www.metraonline.
99-7503 TABLE OF CONTENTS Dash Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5 Electronic Climate Control . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 Manual Climate Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5 Kit Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-8 Electronic Climate Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Manual Climate Control . . . . . . . . . . . . . . . .
99-7503 DASH DISASSEMBLY 2003-2004 MAZDA 6 Electronic Climate Control A 1 Disconnect the negative battery terminal to prevent an accidental short circuit. 2 Unscrew the shift knob counter clockwise to remove. (Figure A) 3 Unclip and remove the cup holder/parking brake cover and shifter cover as one unit. (Figure B) B 4 Remove (2) Phillips screws from the bottom of the radio/climate control panel.
99-7503 DASH DISASSEMBLY 2003-2004 MAZDA 6 Electronic Climate Control E 6 Unsnap and remove radio/climate control panel including climate control vents at the top. (Figure E) 7 Remove (4) Phillips screws securing vents to radio/climate control panel to remove. (Figure F) 8 Remove (8) Phillips screws securing the electronic climate control to the radio/climate control panel to remove.
99-7503 DASH DISASSEMBLY 2003-2004 MAZDA 6 Manual Climate Control A 1 Disconnect the negative battery terminal to prevent an accidental short circuit. 2 Unscrew the shift knob counter clockwise to remove. (Figure A) 3 Unclip and remove the cup holder/parking brake cover and shifter cover as one unit. (Figure B) 4 Remove (2) Phillips screws from the bottom of the radio/climate control panel. (Figure C) 5 Pull the climate control knobs off and remove (2) Phillips screws from behind knobs.
99-7503 DASH DISASSEMBLY 2003-2004 MAZDA 6 Manual Climate Control E 6 Open glove box, squeeze sides together and let open fully then remove (1) 10 MM bolt from the side of the radio bracket. (Figure E) 7 Unsnap and remove radio/climate control panel including climate control vents at the top. (Figure F) 8 INSIDE GLOVE BOX Remove (4) Phillips screws securing vents to radio/climate control panel to remove.
99-7503 DASH DISASSEMBLY 2003-2004 MAZDA 6 Manual Climate Control I 10 Remove (4) Phillips screws securing backlight dispersion bar and knob trim bezels. (Figure I) 11 Push the bottom edges of the knob trim bezels from the front side to the back and slide both pieces out as one unit. (Figure J) 12 Remove (4) Phillips screws securing the radio display harness bracket to the radio chassis then unclip and remove the radio display harness.
99-7503 KIT ASSEMBLY 2003-2004 MAZDA 6 Electronic Climate Control A 1 Clip the climate control knob outer trim ring panel into the 99-7503 housing. (Figure A) 2 Align the screw holes in the climate control and the radio housing panel then push the climate control onto the radio housing panel. (Figure B) 3 Secure the climate control with the factory hardware removed in step 8 of the dash disassembly for electronic climate control cars.
9-7503 KIT ASSEMBLY 2003-2004 MAZDA 6 Manual Climate Control 1 Put the climate control knob outer trim panel and the backlight dispersion bar together and clip into the radio housing panel as one unit. Note: You may have to push down slightly on the middle of the unit to ease in positioning it into the kit. (Figure A, B, C ) 2 Secure the unit with the factory hardware removed in step 10 of the manual climate control dash disassembly.
99-7503 KIT ASSEMBLY DIN HEAD UNIT PROVISION A 1 Slide the DIN cage into the Radio Housing and secure by bending the metal locking tabs down. (Figure A) 2 Slide the aftermarket head unit into the DIN cage until secure. (Figure B) B 3 Snap the Trim plate into the Radio Housing.(Figure B) ISO DIN HEAD UNIT PROVISION A 1 Mount the ISO Brackets to the head unit with the screws supplied with the unit. (Figure A) 2 Slide the head unit into the radio opening until the side clips engage.
99-7503 FELT TAPE APPLICATION Apply To Rear Of Both Sides Note: Due to differences in factory tolerances you may need to apply the provided felt tape to the edge of the 99-7503 radio housing to relieve backlight bleed through. 1. Looking at edge of radio housing apply felt tape to inner edge (toward back of kit). If it is positioned to closely to the outer edge you may be able to see it once it is in the dash.
99-7503 DISPLAY CUSTOMIZATION CLO CK SET DIM MER AMB 1. Press and hold the Clock button in the factory display until “Set Text” is displayed, then release the button. Settings will begin with the first character location. Use the Set button to select the desired character then press the AMB button to select the next character location. There are 10 available character locations. 2.
99-7503 FINAL ASSEMBLY FINAL WIRING and ASSEMBLY A) Strip wire ends back 1/2" A B) Twist ends together B C) Solder C D) Tape D 1 Locate the factory wiring harness in the dash. Use the supplied wire harnesses and make the connection as shown. (Isolate and individually tape off the ends of any unused wires to prevent electrical short circuit.) Make wiring conections using the EIA color code chart shown below and the instructions included with the head unit.
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INST997503 1-800-221-0932 REV. 09/09/05 www.metraonline.
