One problem related to electrical failure has been reported for the 2002 Ford Explorer. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2002 Ford Explorer based on all problems reported for the 2002 Explorer.
Electrical system near left rear wheelwell began clicking for no apparent reason after 42 months and about 37,000 miles of ownership. Constant loud click makes it impractical to drive vehicle or ride in vehicle. Vehicle taken to mechanic who determined it is an electrical failure in the air conditioning system. Mechanic has been unable to fix the problem.