Specifications

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INSTALLATION INSTRUCTIONS FOR PART 99-3002

99-3002

AT-300GM

AW-300GM

INSTALLATION INSTRUCTIONS

APPLICATIONS

CADILLAC/CHEVROLET/GMC

(See Inside For Specific Applications)

KIT FEATURES

• Shaft, DIN and ISO-DIN Unit Provisions

• Various Mounting Depth Alternatives

• A) Radio Housing • B) Face Plate • C) Spacer • D) Snap Spacers • E) ISO-DIN Brackets

• F) (2) #6 Self Tapping Screws • G) (4) 5mm Flat Head Srews • H) Tape Strips

KIT COMPONENTS

• Phillips Screwdriver • Socket Wrench • Cutting Tool

1-800-221-0932

www.metraonline.com

TOOLS REQUIRED:

WIRING AND ANTENNA CONNECTIONS

(SOLD SEPARATELY)

HARNESS:

• 70-1858 - GM harness 87-05

ANTENNA ADAPTER:

• 40-GM10 - GM antenna adapter 88-up

Summary of content (8 pages)

PAGE 1
INSTALLATION INSTRUCTIONS FOR PART 99-3002 APPLICATIONS CADILLAC/CHEVROLET/GMC (See Inside For Specific Applications) 99-3002 AT-300GM AW-300GM INSTALLATION INSTRUCTIONS KIT FEATURES • Shaft, DIN and ISO-DIN Unit Provisions • Various Mounting Depth Alternatives KIT COMPONENTS • A) Radio Housing • B) Face Plate • C) Spacer • D) Snap Spacers • E) ISO-DIN Brackets • F) (2) #6 Self Tapping Screws • G) (4) 5mm Flat Head Srews • H) Tape Strips B A F E C D H WIRING AND ANTENNA CONNECTIONS (SOLD SEPARATEL
PAGE 2
99-3002 TABLE OF CONTENTS Kit Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1,2,3 Kit Assembly and Final Assembly Shaft Head Unit Mount Radio Provision . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4,5,6 DIN Head Unit Mount Radio Provision *Note: Refer also to the instructions included with the aftermarket radio.
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99-3002 KIT PREPARATION CADILLAC Escalade 1999-2002 / EXT 2002 CHEVROLET Avalanche/Pickup/Suburban/Tahoe 1995-2002 Silverado 1999-2002 GMC Sierra/Suburban/Yukon 1995-2002 A 1 Disconnect the negative battery terminal to prevent an accidental short circuit. Remove the steering column filler panel and the ashtray. Unclip the dash trim bezel and remove. Using a small flat-blade screwdriver, press down on the outer clips of the factory head unit (or pocket). Disconnect the wiring and remove the unit. (See Fig.
PAGE 4
99-3002 KIT PREPARATION CHEVROLET Express GMC Savana 1996-2002 A 1 Disconnect the negative battery terminal to prevent an accidental short circuitt. Remove the steering column filler panel and the ashtray. Unclip the dash trim bezel and remove. Using a small flat-blade screwdriver,press down on the outer clips of the factory head unit (or pocket). Disconnect the wiring and remove the unit. (See Fig. A) 2 Locate the Radio Housing. Skip to the Installation Instructions for ALL VEHICLES on Page #4.
PAGE 5
99-3002 KIT PREPARATION CHEVROLET Astro GMC Safari 1996-2005 1 Disconnect the negative battery terminal to prevent an accidental short circuit. Place the gear selector in its lowest position. Unclip the perimeter of the dash trim bezel. Disconnect the rear a/c control harness and the headlight switch from the back of the dash trim bezel and remove the bezel. Using a flat-blade screwdriver press down on the outside clips of the factory head unit and remove. (See Fig.
PAGE 6
99-3002 KIT ASSEMBLY/FINAL ASSEMBLY ALL VEHICLES 2-SHAFT HEAD UNITS: Snap the Faceplate into the Radio Housing. Slide the aftermarket head unit into the kit and secure with shaft nuts. (See Fig. A) ISO DIN HEADS UNITS: Cut and remove the shaft supports from the Faceplate. Snap the Faceplate into the Radio Housing. Slide the aftermarket head unit into the back of the kit. Slide the ISO-DIN Brackets onto the Housing legs and align the holes in the Brackets with the holes in the unit.
PAGE 7
99-3002 FINAL ASSEMBLY FINAL ASSEMBLY A (A) Strip wire ends back 1/2" B B) Twist ends together C) Solder D) Tape C D 1 Locate the factory wiring harness in the dash. Metra recommends using the proper mating adapter and making connections as shown. (Isolate and individually tape off the ends of any unused wires to prevent electrical short circuit.) 2 Re-connect the negative battery terminal and test the unit for proper operation.
PAGE 8
99-3002 KIT ASSEMBLY/FINAL ASSEMBLY ALL VEHICLES Re-connect the battery terminal and test the unit for proper operation. Mount the head unit/kit assembly to the sub-dash with those screws previously removed. Enjoy your newly installed radio! www.metraonline.com 1-800-221-0932 REV.