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This optional cable changes the threshold for connecting/disconnecting the batteries in the Jeep Wrangler JL & Gladiator due to its smart alternator.
Not needed for vehicles with alternators that do NOT drop the voltage down below 12.7v while the engine is running, such as the Toyota vehicles that we support, or the older Jeep JK.
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4.9
36 ratings
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Good concept, but routing and function checks need better instructions
I love the idea behind the Genesis ON sensor cable, but after installing it on my 2024 Jeep Wrangler Rubicon, I’m still unsure how to confirm that it’s working correctly.
My other concern is routing the cable out of the fuse box. With the cable installed, I cannot get the fuse-box cover to snap fully into place. I tried notching the routing area, but there’s an additional lip that still interferes with the cable and prevents the cover from closing properly.
Shane, a close-up installation video would really help. Please show exactly how to create the necessary routing channel, address the additional lip, and get the cover fully latched while preserving its weather protection. It would also help to demonstrate a simple test that confirms the ON sensor is functioning.
I purchased the G Screen hoping to get better visibility into the system’s operation, but customers should have clear instructions for verifying the sensor itself. I like the concept; the installation details and confirmation process need more attention, particularly on newer Jeeps.
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Arnel · October 20, 2026
Seamless install; followed the web video. Went exactly as described.
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Earl · October 21, 2026
Completes my Genesis system on my Jeep Wrangler Ecodiesel.