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Quantity
1
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. ...
Reviews
4.6
10 ratings
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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.
G
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!