All Harnesses
Shop all Wiring Harnesses & Mods from Boost Auto, Modify Door Harness, All Lights Mod, Auto Fogs Mod, Amber DRL Override Mods and more!
Fitting Chevy Silverado, GMC Sierra, Dodge Ram 1500/2500/3500, Ford F150, Superduty F250/F350.
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Amber DRL/Park Light Override Mod | 2024-2026 Silverado & Sierra 2500/3500
Convert your factory headlights to have an amber running light - day and night.
Sale priceFrom $ 149.95
Amber DRL/Park Light Override Mod | 2022-2026 Silverado & Sierra 1500
Convert your factory headlights to have an amber running light - day and night.
Sale priceFrom $ 149.95
Amber DRL/Park Light Override Mod | 2023-2026 GMC Canyon
Convert your factory headlights to have an amber running light - day and night.
Sale priceFrom $ 149.95
Factory Power Running Board Light Mod | 2019–2026 Chevy Silverado & GMC Sierra
Automatically activate your OEM running board lights when your headlights are on.
Sale priceFrom $ 185.35
GM Modify Door Harness for Plug and Play Tow Mirrors | 2014-2019 Silverado & Sierra
Add the missing wires to your door harness to gain running light, cargo light, and turn signals for your tow mirror upgrade.
Sale price$ 62.26
RZY Harness for Plug and Play Tow Mirrors | 2014 & Early 2015 Silverado & Sierra
Add the missing wires to the cab of your truck to gain running light, cargo light, and turn signals for your tow mirror upgrade.
Sale price$ 113.25
Dual Function (Signal & Running Light) Wiring Harness for Aftermarket Mirrors | 1988-2019 Silverado & Sierra
Add running light to your mirrors.
Sale priceFrom $ 71.33
Dual Function (Signal & Running Light) Wiring Harness for OEM Mirrors | 2014-2019 Silverado & Sierra
Add turn signal to your mirrors.
Sale priceFrom $ 71.33
GM Hardwire Harness for Tow Mirrors | 2014-2019 Silverado & Sierra
Hardwire running light, cargo light, and turn signals for your tow mirror upgrade.
Sale price$ 147.24
GM Ambient Air Sensor Harness | 2015-2019 Silverado & Sierra
Add the missing ambient air temperature sensor to your mirrors with this harness and get rid of your check engine light.
Sale price$ 73.59
Dual Function (Dome and Reverse) Wiring Harness | 2003-2007 Silverado & Sierra Classic
Activate your tow mirror reverse lights automatically with the interior dome lights.
Sale price$ 26.01
Dual Function (Cargo and Reverse) Wiring Harness - GM Trucks (2014-2026)
Activate your cargo lights automatically when in reverse.
Sale price$ 28.27
Cargo in Drive Wiring Harness | 2014-2026 Silverado & Sierra
Activate your cargo lights anytime while driving.
Sale price$ 56.60
GM Modify Door Harness for Plug and Play Tow Mirrors | 2019-2022 Silverado & Sierra
Add the missing wires to your door harness to gain running light, cargo light, and turn signals for your tow mirror upgrade.
Sale price$ 71.33
RZY Harness for Plug and Play Tow Mirrors | 2019 Silverado & Sierra 1500
Add the missing wires to the cab of your truck to gain running light, cargo light, and turn signals for your tow mirror upgrade.
Sale price$ 113.25
Tow Mirror Wiring Kit (Modify + RZY Harness) | 2022-2026 Silverado & Sierra
Add the missing wires to your truck to gain running light, cargo light and turn signals for your tow mirror upgrade.
Sale price$ 181.23
High Beam to Spot Mirror Mod | 2019-2026 Silverado & Sierra
Activate your mirror spotlights automatically when using high beams.
Sale price$ 56.60
Spot Light In Drive Mirror Mod | 2019-2026 Silverado & Sierra
Keep your mirror spotlights on at any speed.
Sale price$ 56.60
Cargo Light Harness - Add Tow Mirrors without Bed Illumination | 2019-2022 Silverado & Sierra
Activate the cargo lights for your tow mirror upgrade, for trucks without OEM bed illumination.
Sale price$ 56.60
GM Modify Door Harness for Plug and Play DL3 Small Power Folding Mirrors | 2014-2019 Silverado & Sierra
Activate puddle lights and turn signals for your sport mirror upgrade.
Sale priceFrom $ 62.26
Ford Signal & Running Light Mirror Harness (Tow & Small Mirrors) // 2015-2020 F150
Get your mirror lights working as both a signal & a running light.
Sale priceFrom $ 113.25
Ford F150 Mirror Temperature Sensor Harness (2018+)
Add the missing ambient air temperature sensor to your mirrors with this harness and get rid of your check engine light.
Sale price$ 73.59
8 to 22 Pin Adapter Harness - Ford F150 (2015-2020)
Connect your 8-pin truck connector to a 22-pin tow mirror connector & gain running light.
Sale price$ 96.25
Ford Spot Light Mirror Override - 2015-2020 F150
Keep your mirror spotlights on at any speed.
Sale price$ 28.27
Ford Signal & Running Light Mirror Harness (Tow & Small Mirrors) // 2021-2023 F150
Get your mirror lights working as both a signal & a running light.
Sale priceFrom $ 113.25
Ford Superduty F250 F350 Mirror Temperature Sensor Harness (2011-2016)
Add the missing ambient air temperature sensor to your mirrors with this harness and get rid of your check engine light.
Sale price$ 73.59
Ford Super Duty Signal & Running Light Tow Mirror Harness (2017-2026)
Get your mirror lights working as both a signal & a running light.
Sale price$ 113.25
Spot Light In Drive Mirror Mod | 2021-2026 Ford F150
Turn on your mirror spotlights at any speed.
Sale price$ 195.65
Spot Light In Drive Mirror Mod | 2023-2026 Ford F250/F350 Superduty
Turn on your mirror spotlights at any speed.
Sale price$ 195.65
Ford Super Duty Spot Light Mirror Override (2017-2022)
Keep your mirror spotlights on at any speed.
Sale price$ 28.27
Ford Superduty Mirror Temperature Sensor Harness (2017+)
Add the missing ambient air temperature sensor to your mirrors with this harness and get rid of your check engine light.
Sale price$ 73.59
Dual Function Dodge Ram Wiring Harness (Running Light & Signal)
Add running light to your mirrors.
Sale priceFrom $ 71.33
Dodge Ambient Air Sensor Harness
Add the missing ambient air temperature sensor to your mirrors with this harness and get rid of your check engine light.
Sale price$ 73.59
Ram Mirror OBD Sales Code Enabling Tool - Turn Signal & Puddle Light
Get the turn signals & puddle lights working after upgrading side mirrors without a trip to the dealer. 2-minute install.
Sale priceFrom $ 158.57
Dual Function Nissan Titan Wiring Harness (Running Light & Signal)
Add running light to your mirrors.
Sale price$ 71.33
Add a Circuit Taps
Cleanly tap your aftermarket accessories into your OEM electronics.
Sale priceFrom $ 5.61
Lumastep M2 Puddle Light Harness
Illuminate your Lumastep M2 LEDs anytime a door is opened.
Sale price$ 101.92
Lumastep M2 & Power Step LED Accent Lights
Illuminate the top of your Power Running Boards anytime a door is opened.
Sale price$ 87.50
Kill Switch Harness for Lumastep M1 & Lumastep M2
Disable the lighting on your Lumastep boards with the simple flip of a switch.
Sale price$ 39.60
Kill Switch Harness for ION Series LED Door Handles
Disable the lighting on your ION Series door handles with the simple flip of a switch.
Sale price$ 39.60
Boost Auto Interior Plastic Trim Removal Tool Kit - 4pcs
High quality plastic trim tool set for all interior removal needs.
Sale price$ 14.72
Boost Auto Cloth Fabric Tape
Premium Cloth Fabric Tape. Wrap Your Harnesses with Confidence.
Sale price$ 7.20
Boost Auto Gift Card
The perfect gift, let them choose their desired upgrades.
Sale priceFrom $ 50.00