ONE OF THE MOST USEFUL AND SIMPLE TESTERS YOU CAN KEEP IN YOUR  CAR, VAN OR BIKE

CLIP THE NEGATIVE LEAD TO THE EARTH AND THEN SHOVE THE POINTED TIP INTO THE WIRE 

AND IF THERE IS POWER THERE, THE BULB LIGHTS UP. 

EASY DIAGNOSIS OF A BROKEN WIRE OR A BLOWN FUSE 

NOT FOR USE ON MAINS ELECTRICITY !!

£3.50 WITH FREE POSTAGE