MP3877B 12V 7 Way Bypass Relay

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  • A 7 way bypass relay is connected directly to the vehicles lighting circuits to control the lights on a trailer and caravan. The relays do not put any extra load onto the vehicles lighting system. The relays also feature a built in audible buzzer that monitors the trailer and caravan indicators.

  • A 7 way bypass relay is connected directly to the vehicle’s lighting circuits to control the lights on a trailer and caravan. The relays do not put any extra load onto the vehicle’s lighting system. The relays also feature a built in audible buzzer that monitors the trailer and caravan indicators.