New old stock genuine Volvo electric truck Ariel fits various models see photo for list

Manufactured 10-1- 89

Unit is untested as the wiring incorporates a timer unit with a warning not to reverse polarity , and me and electrics don’t mix well , but if you want it testing and you can say which is the live and which is the pos I’ll give it a go I’m guessing green for pos and black for neg not sure of the blue