MP25 12N Type 7 Pin Aluminium Socket

MP3877 12V 7 Way Bypass Relay 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. All bypass relays can be powered using either the battery or the fuse box.

• Works on most vehicle types and most filament bulb and LED lamp combinations
• Differentiates circuits on dual voltage tail/brake and tail/fog systems
• Monitors indicators / flashers via the internal buzzer, which mutes under hazard warning conditions
• Ancillary flasher/indicator monitor output to panel lamp or additional buzzer
• Made in the UK

MP1802B 13 Pin Car and Trailer Tester

• 13 Pin car and trailer tester is suitable for testing ISO 11446/13 pin lighting & 12V power supply circuits
• LED indicators clearly show any faults
• Suitable for testing LED & filament bulb trailer lighting
• Requires 1 x 9V PP3 battery (not included)
• Notes & instructions for use:
  • The yellow button on the side must be depressed and held down to test a function. Releasing the button ends the test
  • LED indicators will show green when function is tested and correctly wired, or red if a fault is present
  • 12V power supplies can only be tested on the towbar side
  • Towbar testing requires vehicle ignition to be switched on and each function activated in turn
  • Only for use with 13 pin plugs and sockets.
  • Do not check towbar and trailer functions at the same time