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9006 Style Pass-Through Harnesses with Grommet

9 Reviews

Brand: Morimoto




PART #: 2 x GTR.A015


The product in question is a set of harnesses designed for automotive lighting systems. These harnesses facilitate the extension of headlight or fog light wiring from inside the housing to the exterior, passing through the dust cover. By drilling a 7/8" hole in the dust cover and sealing it with a provided rubber grommet, a waterproof connection is achieved. These harnesses are compatible with various bulb types, including 9005, 9006, 9012, H10, and 9145. They serve a specific purpose in extending OEM wiring through the dust cover, allowing installers to mount CANBUS or PWM modules on the outside of headlights, reducing heat inside the headlight and enhancing module accessibility. Ideal for automotive enthusiasts and professionals seeking efficient and heat-reducing solutions for their lighting systems.


  • Easy Installation: Simplify wiring tasks with quick and hassle-free setup.
  • Compatibility: Works with multiple bulb types for versatile use.
  • Waterproof Seal: Ensures durability and moisture protection.
  • Heat Reduction: Allows external module mounting, reducing headlight heat buildup.
  • Versatile Use: Ideal for automotive enthusiasts and professionals.


  • Harnesses: 2x (One Pair) Pass-Through Harnesses


  • Hole Required: 7/8in / 22mm

Flexibility: Don't be stuck trying to fit more inside a housing than you need to. This harness/pass-through allows you to mount a Canbus or PWM module outside of the housing with all the same safety and security it would have inside.

Pro Quality Passthrough: Built from the same ultra-high-quality materials as the harnesses that come with our HID Conversion kits, these 9006 style pass-throughs are made to fit into a 7/8 inhole placed in the dust cover and provide seamless waterproof security.

Compatible With: 9005, 9006, 9012, H10 and 9145 bulbs.


Great lights

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Gtr gen 2 bulbs were perfect for my 2018 ram projector housings. Just remember to clock the led chip so they're at the 3 and 9 position.


They were easy plug and

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They were easy plug and play work great



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I bought a set of headlights for my truck. When I got them, I was missing they pass through harnesses. I was not told they were shipping late which they were late to delivery. But also was not informed that those would not be shipped with the main shipment. I had to call to check on the Chevy to check and see when they would be here. The product was good it was just a lack of communication.


past through harness

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It makes the job easlier.


They're Legit

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Okay, these things are surprisingly well made. That said, I bought them as a contingency in case the CANbus and PWM modules wouldn't fit inside the headlight housings with the dust covers on. They did fit, so I didn't need them, but I have ZERO doubt that these would have fit the bill perfectly. If your your installation require them, don't look elsewhere and buy these.


Very well thought out

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It was east to install and bery well thought out


Took a little work for

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Took a little work for the holes in the dust covers.

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