Maybe, but in my experience the headlights are usually to blame. If the OP has halogen lights in it with the stock switch designed for regular bulbs, the switch will overheat the bi-metal breaker over time and crap out again.
The only fix is to add a power relay.
Mike
86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 88 Cherokee 235 BFG AT's - Gone to the rust pile... Canadian Off Road Trips Photos: Non members can still view! Jan/06