Maypole 3877A 7-Way By-Pass Relay Buzzer and Smart Chip

So you have a trailer to tow, how do you connect it up to your vehicles electrics? Whether you need to tow for work or pleasure you will need to make your trailer safe and legal before you hit the road and Maypole has the answer with its range of towing leads and adaptors.

This 7 Way By-pass Relay from Maypole is designed for use with electrical systems on caravans and trailers. It is an audible...