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1978 Dodge Challenger

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Universal gear includes car amplifiers, subs, and other products that do not install in a specific location or require fitment to integrate with a vehicle.

Overview Upgrade your Speakers Add a Subwoofer Add an Amplifier Digital Sound Processors Audio Installation & Accessories Add a Backup Camera Independance Day Sale

Universal-Fit Audio for 1978 Dodge Challenger

When thinking of universal gear, we consider products like a car amp that gives more power to your speakers or subs, cell phone chargers, equalizers and sound processors, rear-seat entertainment and video monitors, as well as dash cameras.

Better sound with your factory radio

Better sound with a factory radio

Love your factory look or can't replace the stereo? We got you covered.

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Install Bay IBR81

Waterproof ATC or Mini Anl Dual Fuse Holder

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Install Bay IBR81

Waterproof ATC or Mini Anl Dual Fuse Holder

• Waterproof Connector
• For Marine, Motorsports, ATV and Motorcycle Applications
• Brass Connector for Maximum Power Transfer
• Stainless Steel Wrench Included

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List price $35.99
-58% $14.99

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• Waterproof Connector
• For Marine, Motorsports, ATV and Motorcycle Applications
• Brass Connector for Maximum Power Transfer
• Stainless Steel Wrench Included

Install Bay IBR62

12 Gauge Pre-Wired Waterproof ATC Fuse Holder

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Install Bay IBR62

12 Gauge Pre-Wired Waterproof ATC Fuse Holder

• Pre-wired ATC Fuse Holder
• Waterproof design
• 12 Gauge wire

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List price $19.99
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• Pre-wired ATC Fuse Holder
• Waterproof design
• 12 Gauge wire

Install Bay 3MBVRT6

3M 16/14 Gauge #6 Vinyl Ring Terminals - Blue

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Install Bay 3MBVRT6

3M 16/14 Gauge #6 Vinyl Ring Terminals - Blue

• Vinyl Ring Terminals
• Accepts 16/14 gauge wire
• Comes in pack of 100
• Size: #6
• Color: Blue

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List price $19.99
-50% $9.99

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• Vinyl Ring Terminals
• Accepts 16/14 gauge wire
• Comes in pack of 100
• Size: #6
• Color: Blue

Metra IBSIRENM6

Universal 6-Tone Mini-Piezo Siren (Sold Individually)

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Metra IBSIRENM6

Universal 6-Tone Mini-Piezo Siren (Sold Individually)

• 6-tone Mini-Piezo Siren
• Designed for universal applications

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• 6-tone Mini-Piezo Siren
• Designed for universal applications

Install Bay MIBRBSR19

Universal 19mm Black Momentary Red LED Switch with Harness

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Install Bay MIBRBSR19

Universal 19mm Black Momentary Red LED Switch with Harness

• Black momentary switch with harness
• Rated at 5 amps
• IP67 waterproof rating
• 19mm (3/4") mounting hole size
• Red LED illuminated ring

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List price $24.99
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• Black momentary switch with harness
• Rated at 5 amps
• IP67 waterproof rating
• 19mm (3/4") mounting hole size
• Red LED illuminated ring

Install Bay IBRRLULD

Round Rocker Latch Switch - Pack of 5

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Install Bay IBRRLULD

Round Rocker Latch Switch - Pack of 5

• Round Rocker Latch
• Pack of 5
• Up and Down Positions

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• Round Rocker Latch
• Pack of 5
• Up and Down Positions

Install Bay ATMFP

In-line fuse holder, with jumpers you can create any distribution block

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Install Bay ATMFP

In-line fuse holder, with jumpers you can create any distribution block

• Ideal for marine use
• Acts as an in-line fuse holder with jumpers to create any distribution block
• Fused distribution or power/ground as you need
• Maximum amperage – 40 amps per circuit
• Maximum voltage – 32 volts DC

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• Ideal for marine use
• Acts as an in-line fuse holder with jumpers to create any distribution block
• Fused distribution or power/ground as you need
• Maximum amperage – 40 amps per circuit
• Maximum voltage – 32 volts DC

Install Bay MIBRBSW16

Universal 16mm Black Momentary White LED Switch with Harness

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Install Bay MIBRBSW16

Universal 16mm Black Momentary White LED Switch with Harness

• Black momentary switch with harness
• Rated at 5 amps
• IP67 waterproof rating
• 16mm (5/8") mounting hole size
• White LED illuminated ring

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List price $23.99
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• Black momentary switch with harness
• Rated at 5 amps
• IP67 waterproof rating
• 16mm (5/8") mounting hole size
• White LED illuminated ring

Install Bay IBATCKIT

ATC Fuse Kit - 150 assorted ATC fuses, fuse puller, and brass fuse taps

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Install Bay IBATCKIT

ATC Fuse Kit - 150 assorted ATC fuses, fuse puller, and brass fuse taps

• ATC Fuse Kit
• 150 Assorted ATC fuses
• 1 Fuse puller
• 20 Brass fuse taps

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-10% $59.99
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• ATC Fuse Kit
• 150 Assorted ATC fuses
• 1 Fuse puller
• 20 Brass fuse taps

The Install Bay IB80

80 Amp Battery Isolator and Relay

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The Install Bay IB80

80 Amp Battery Isolator and Relay

• Battery Isolator and Relay
• 80 Amp
• Prevents Primary Battery Discharge
• Maximizes the Current Transfer
• Extends Battery Life
• Universal 12V Applications

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• Battery Isolator and Relay
• 80 Amp
• Prevents Primary Battery Discharge
• Maximizes the Current Transfer
• Extends Battery Life
• Universal 12V Applications

Install Bay IBLEDBLF

Safety Flash Controller for LED Brake Light

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Install Bay IBLEDBLF

Safety Flash Controller for LED Brake Light

• Safety flash controller for LED brake light
• Flashes light and goes solid when brakes are applied
• Provides better visual warning

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List price $18.99
-11% $16.99

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• Safety flash controller for LED brake light
• Flashes light and goes solid when brakes are applied
• Provides better visual warning

Install Bay IBLOC04

60W 4-Channel Adjustable Line Output Converter

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Install Bay IBLOC04

60W 4-Channel Adjustable Line Output Converter

• 4-Channel adjustable line output converter
• 60 watts of input power
• Fully adjustable dual output level controls
• Transformer design isolates ground loops

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• 4-Channel adjustable line output converter
• 60 watts of input power
• Fully adjustable dual output level controls
• Transformer design isolates ground loops

Install Bay FMX-60

60 Amp USA Cooper Bussman FMX Fuse

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Install Bay FMX-60

60 Amp USA Cooper Bussman FMX Fuse

• USA Cooper Bussman FMX Fuse
• Universal application
• Fuse Size: 60 amp
• See-Through Windows
• High-Temperature Plastic Casings
• Circuit Protection
• High Conductivity

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List price $9.99
-10% $8.99
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• USA Cooper Bussman FMX Fuse
• Universal application
• Fuse Size: 60 amp
• See-Through Windows
• High-Temperature Plastic Casings
• Circuit Protection
• High Conductivity

Install Bay IBHPLUG78

7/8" Hole Plug Flush Black 5/32" Head Diameter - Pack of 100

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Install Bay IBHPLUG78

7/8" Hole Plug Flush Black 5/32" Head Diameter - Pack of 100

• 7/8" Hole Plug
• Mounts flush
• Color: Black
• 100 per package

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List price $27.99
-11% $24.99

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• 7/8" Hole Plug
• Mounts flush
• Color: Black
• 100 per package

Install Bay L-IBVSTABL

12V 10A DC-DC Voltage Converter Stabilizer

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Install Bay L-IBVSTABL

12V 10A DC-DC Voltage Converter Stabilizer

• Voltage converter stabilizer
• Input voltage: DC 9 volts - 36 volts
• Output voltage: DC 12 volts
• Maximum output current: 10 amps

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List price $163.99
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• Voltage converter stabilizer
• Input voltage: DC 9 volts - 36 volts
• Output voltage: DC 12 volts
• Maximum output current: 10 amps

Install Bay IBR90

USB and HDMI Knockout Panel

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Install Bay IBR90

USB and HDMI Knockout Panel

• Knockout Panel for USB and HDMI
• Installs Indo Dash
• Cable: 4.5 Feet

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List price $65.99
-11% $58.99

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• Knockout Panel for USB and HDMI
• Installs Indo Dash
• Cable: 4.5 Feet

Install Bay 5-Way Trailer Plugs (IBTH5P)

5-Way All-Copper Flat Trailer Wiring Plugs - Pack of 5

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Install Bay 5-Way Trailer Plugs (IBTH5P)

5-Way All-Copper Flat Trailer Wiring Plugs - Pack of 5

• 5-Way Trailer Wiring Plugs
• Allows the hookup of three basic lighting functions
• Extra pin available to support another function
• 18-gauge color-coded wire
• Sold in packs of 5

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List price $25.48
-33% $16.99

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Ships in 10-14 days

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• 5-Way Trailer Wiring Plugs
• Allows the hookup of three basic lighting functions
• Extra pin available to support another function
• 18-gauge color-coded wire
• Sold in packs of 5

Install Bay ERS-126

3 Wire Relay Socket With Diode

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Install Bay ERS-126

3 Wire Relay Socket With Diode

• 3 Wire Relay Socket
• Includes Diode

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List price $4.99
-20% $3.99

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• 3 Wire Relay Socket
• Includes Diode

Install Bay ATRDT

Dual ATR Add a Fuse (Package of 10)

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Install Bay ATRDT

Dual ATR Add a Fuse (Package of 10)

• Dual ATR Add-a-Fuse
• Package of 10

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List price $92.99
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• Dual ATR Add-a-Fuse
• Package of 10

Install Bay RNFD250F

Red Nylon 22/18 Gauge 0.250 Fully Insulated Nylon Female Quick Disconnect

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Install Bay RNFD250F

Red Nylon 22/18 Gauge 0.250 Fully Insulated Nylon Female Quick Disconnect

• Red nylon female quick disconnect terminals
• Connects to male terminals with 0.250 size
• Accepts 22/18 AWG gauge wire
• Package of 100 pieces

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List price $16.99
-12% $14.99

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• Red nylon female quick disconnect terminals
• Connects to male terminals with 0.250 size
• Accepts 22/18 AWG gauge wire
• Package of 100 pieces

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    FAQ for Universal-Fit Audio & Electronics in 1978 Challenger

    Q: Can I upgrade or change the Universal-Fit Audio & Electronics in 1978 Dodge Challenger?

    A: Yes this page includes all the best Universal-Fit Audio & Electronics that work in your Challenger.

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    Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

    • You see only parts engineered for your exact vehicle
    • You avoid incompatible radios, speakers, or wiring
    • Installation is smoother, faster, and frustration-free
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    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.

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