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Brake Controller Power Supply Wiring

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  • Brake Controller Power Supply Wiring


    I'm planning out how to run wiring into to the cabin on my car for a brake controller and UHF radio. The current planis to run 1 x 6mm twin cable with a 30A fuse on the starting battery into the cabin and tee the cable off onto a 20A fuse for the brake controller and 5A fuse for the UHF.

    If I can get away with this then I only need 1 x power cable and 1 x antenna to come through the firewall on the passangers side.

    Does anyone know if a brake controller needs a dedicated supply directly from the battery with no tee offs from a legal/roadworthy perspective?

    2008 GXL D4D + Option Pack 1, Safari snorkel, factory alloy bar, dual battery system, Lovells TFR-118/TRR119 Springs, Bilstein Shocks, Prodigy P3 brake controller, factory tow bar, Orac coupling.