When it comes to wiring the Hella Horns that are mounted to your beautiful GrimmSpeed BroTie, we have you covered. After some testing, we determined that the additional few dBs offered by wiring with a relay weren't worth the added headache and potential failure points of a more complex harness using automotive relay, inline fuse and additional wiring directly to your battery. Fully pre-assembled, our simple harness will allow you to plug and play in seconds. Should your heart desire those last few ounces of ear-piercing goodness, our harness can also be adapted for use with a more complex relay harness. Diagrams for that configuration are included in our installation guide below.
Part #: 040005
I highly recommend Grimmspeed’s hella horn wiring harness for any aftermarket horns! High quality product and easy to install!
If you are doing your hella horns and have a hard time with wiring I'd HIGHLY recommend grabbing this kit. Made hooking up the hella horns super easy and the cables themselves were high quality from Grimm speed. Just grab the kit and save yourself some time and a headache.
Great product!
Exactly what you need for Hella Horn install to be a snap!
Great wiring harness. Definitely worth the money over building your own. Braided cables and rubber covered connectors make this a great buy.
Makes the install simple and easy.
Had a bit of trouble getting it right, but once we got it, it was like "oh, man we made a mountain out of a molehill!" The 04 Outback setup was a bit different from my 15 Impreza, hence the issue we had.
Gotta love grimmspeed and they're easy to install quality products.
Worked great, super easy install, no issues.
A quick, easy way to make wiring look clean. Plug and play. Very happy
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