hi thear my xr3i has got a realy weard problem with the electrics my rear lights work then dont work then 1 side wil work only. eney 1 eals had or got this prob and do u no how to sort it im thinking of puting a new loom in it but am not sure how to do it ?

lol its the only thing stoping me taking her out on the road and if i dont get it sorted i think i might have to destroy it