
INSTALLATION INSTRUCTIONS
99-5840CH
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metraonline.com © COPYRIGHT 2024 METRA ELECTRONICS CORPORATION REV. 5/29/25 INST99-5840CH
Patent # 10,579,232
KIT COMPONENTS
• A) Radio trim panel with touchscreen display • B) Radio brackets • C) Pocket • D) Engine start/stop circuit board and cover
• E) Engine start/stop trim
• F) #8 x 3/8” Phillips truss-head screws (4) • G) #4 x 1/2” Phillips pan-head screws (6) • H) Panel clips (4) • I) USB cable
• J) HVAC interface and wiring harness (not shown) • K) Antenna adapter (not shown)
TOOLS REQUIRED
• Panel removal tool • Phillips screwdriver
• 9/32” socket wrench • Cutting tool
• Torx T-10 screwdriver
TABLE OF CONTENTS
Dash Disassembly .............................................. 2-3
Kit Preparation ...................................................4-5
Kit Assembly
–ISO DIN radio provision with pocket ..................6
–ISO DDIN radio provision ....................................6
Axxess Interface installation ...........................7-15
Final Assembly ...................................................... 11
WIRING & ANTENNA CONNECTIONS
(sold separately)
Wiring Harness: Axxess interface and
harness included
Antenna Adapter: 40-EU10 (sold separately)
A B C
E
D
GF H I
Attention! With the key out of the ignition,
disconnect the negative battery terminal
before installing this product. Ensure that all
installation connections are secure before
cycling the ignition to test this product.
KIT FEATURES
• ISO Single-DIN radio provision with pocket
• ISO Double-DIN radio provision
• Touchscreen display for factory climate information and driver customization menus
• Built-in ASWC-1 Technology Retains Factory Steering Wheel Controls
• Will not retain launch control
• Painted Charcoal
Fits select Ford Mustang models (with 8" screen)
2015-2023
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