Roadmaster Inc Roadmaster Custom-Fit Brake Light Switch Brand_Collinite or when shore or generator

or when shore or generator power is disconnected

battery charging will automatically be reduced when otherwise an overload would occur

you know if the supplemental braking system is positioned properly and working as it should

1 x Waterproof mini connector (IPx7 rated)

Roadmaster Inc Roadmaster Custom-Fit Brake Light Switch Brand_Collinite or when shore or generatorWhy do you need a brake light switch? Brake light switches are necessary only if you're installing a supplemental braking system monitor, and the vehicle's OEM brake light switch doesn't work when the vehicle is in tow mode. This custom fit switch is only activated when the brake pedal is depressed. If you know when the towed vehicle's brake pedal is depressed and released, you know if the supplemental braking system is positioned properly and working