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Sparksmith Custom Lighting

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Sparksmith Custom Lighting

4.5 (123)

3157 Resistor Harness - Plug & Play Resistor Kit Prevents Hyperflash

Name: Sparksmith Custom Lighting 3157 Resistor Harness - Plug & Play Resistor Kit Prevents Hyperflash - 3157 Resistor Harness - Plug & Play Resistor Kit Prevents Hyperflash
Brand: Sparksmith Custom Lighting
SKU: 43320842125501
Price: 49.99 USD
Availability: InStock
Rating: 4.5556 (9 reviews)

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

$49.99

Quantity

Color

Black

Quantity

Description

Simple plug and play harness that prevents hyperflash when installing LED bulbs in your factory turn signals. The optional bulb types available on the listing allow for a choice of White, Amber, Red, or Switchback (most popular) function.
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Reviews

4.6

9 ratings

Sparksmith 3157 Resistor Harness

Your plug & play resistor harness looks to be of high quality but as it turns out I do not need it. The led bulb company sent me a new bulb that solved my problem.

Gregg · April 24, 2026

Quality Product!

I have built many electrical harnesses for my industry either with or without resistors. When I received my 3157 kit, I was extremely satisfied with the quality of the parts and the overall build! Thank you for a quality product!

M.G.I. · March 11, 2026

Simple and easy

Super simple and easy to install on the truck!

Kaitlyn · May 12, 2026

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Sparksmith Custom Lighting

4.6 (264)

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Description

Reviews

4.6

9 ratings

Sparksmith 3157 Resistor Harness

Your plug & play resistor harness looks to be of high quality but as it turns out I do not need it. The led bulb company sent me a new bulb that solved my problem.

Gregg · April 24, 2026