towbar electrics puzzling prob

This site contains affiliate links for which LandyZone may be compensated if you make a purchase.
ive worked on quite a few that wont start if battery is a little low ,they will turn over but not fire ,was caravan drawing a current ie fridge
 
presume you have the 7pin black socket for the lights and the grey one for the extras.... what happens with only one plugged in?
 
Back
Top