Metra Electronics 87-99-3052 User Manual
INSTALLATION INSTRUCTIONS FOR PART 87-99-3052
APPLICATIONS
CHEVROLET
Blazer 1973-1987
Pickup 1973-1987
GMC
Pickup 1973-1987
Suburban 1973-1987
87-99-3052
KIT FEATURES
• Shaft and DIN Unit Provisions
KIT COMPONENTS
A) Faceplate • B) Radio Housing
A
TOOLS REQUIRED:
• Phillips Screwdriver • Adjustable Wrench
1-800-221-0932
© COPYRIGHT 2001-2008 METRA ELECTRONICS CORPORA
B
www.metr
aonline.com
TION
87-99-3052
K
NOWLEDGE IS POWER
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by enrolling in the most recognized and
respected mobile electronics school in our
industry.
Log onto www.installerinstitute.com or call
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TABLE OF CONTENTS
Dash Disassembly - All Vehicles
CHEVROLET
Blazer 1973-1987 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Pickup 1973-1987 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
GMC
Pickup 1973-1987 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Suburban 1973-1987 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Assembly and Final Assembly
Kit
Shaft Head Unit Mount Radio Provision . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
DIN Head Unit Mount Radio Provision
.1,2,3,4
87-99-3052 DASH DISASSEMBLY/
Fig. A
Fig. B
KIT ASSEMBLY/FINAL ASSEMBLY
ALL VEHICLES
Chevrolet-Blazer 1973-1987, Pickup 1973-1987
GMC - Pickup 1973-1987, Suburban 1973-1987
Disconnect the negative battery terminal to prevent an accidental short circuit.
1
Remove (4) Phillips screws from the lower steering column panel and remove the
panel. Remove (8) Phillips screws from the perimeter of the dash trim bezel and
remove the bezel. Remove (3) Phillips screws securing the factory head unit and
disconnect the wiring.
SHAFT HEAD UNITS: Position the Faceplate against the face of the radio trim
bezel and slide it to the right until the right edge of the Faceplate meets the lip of
the bezel. (see Fig. A). Slide the aftermarket head unit through the sub-dash, dash
trim bezel and Faceplate and secure with shaft nuts. (see Fig. B). Skip to Final
assembly.
1
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