
Doesn't quite sound right Bertie unless it was auxilliary lighting, has the vehicle had a winch unit attached or perhaps a Hiab type lift, it could possibly have been for remote operation of either, or even the tipper, depending how its powered.I spoke with the garage i bought her from today and the checked with the council /highways dept and it seems that they are for lighting on trailers
Hi Mick
i belive it was aux lighting ie the trailer with the big flood lights they use on the motorway at night or possibly those big arrows that are towed so . my van has two batteries ,not sure why as apart from starting the eng and tipping it hasnt a need for the extra batt
Yes, very easy and perfectly safe. Here's a demonstration:2 X 12v Batteries but wired parallel it's no different from using jumper leads to start a car
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