idm relay ?

[2000 7.3 psd]

hey i have a 2000 f250 7.3 4x4 6 speed manual and iv been haing some electrical problems latley basicly what happens is every time the key is in on position the headlights and cab lights come on ( without the switch on) and also i was towing the other day and wating to be loaded i startedthe truck but ot took more cranks then usual then ran fine i pulled ahead and **** off and then it wouldent restart(cranked fine) so i got out nd swapped some relays around and then she started right up like usual then it was fine for a few days and it did it again today so i just got a new relay i was justwondering if i solved the problem or if its smthing bigger i really need the truck to be running at this time as its my dd and tow vehicle any advice is greatly pprecieated

[NoRalPh]

Could be, where did that relay end-up? Is IT now giving you trouble?

It's a difficult read, but here's a tread where that turned out to be an issue -> Quest For Knowledge