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k67p67 · 08-13-2024, 04:02 PM

Seems unnecessarily complicated. The horn signal passes through a relay for each of the stock horns. Each Hella horn has two terminals. I don't think the polarity matters. Ground one terminal and connect the other terminal to the stock horn wire. Does this not work?

08-13-2024, 04:02 PM	#5 (permalink)
k67p67 Enthusiast Member Join Date: Oct 2016 Location: Rancho Cucamonga, CA Posts: 304 Drives: 2017 Nismo Tech 6MT Rep Power: 3937	Seems unnecessarily complicated. The horn signal passes through a relay for each of the stock horns. Each Hella horn has two terminals. I don't think the polarity matters. Ground one terminal and connect the other terminal to the stock horn wire. Does this not work? __________________ 2017 370Z Nismo Tech 6MT PART OUT IN PROGRESS Work \| Motordyne \| Powertrix \| Swift \| Michelin \| Takeda \| Hotchkis \| RJM \| Voodoo13 \| SPL \| SPC \| Z1 Motorsports \| ZSpeed \| Morimoto \| Craft Square Last edited by k67p67; 08-13-2024 at 04:16 PM.