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Ron, ASE Certified Technician
Category: Ford
Satisfied Customers: 23821
Experience:  23 years with Ford specializing in drivability and electrical and AC. Ford certs and ASE Certs
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2003 Ford Explorer, Been having low battery issues the past

Customer Question

2003 Ford Explorer, Been having low battery issues the past couple weeks, then today while driving at 55-60 mph, the engine failsafe message comes on. Pulled over and battery was dead. Got jump started and now the engine will turn over but not start. Oil, Coolant, Gas, are all full. I'm at a loss for what to check next
Submitted: 2 years ago.
Category: Ford
Expert:  ASEMaster35yrs replied 2 years ago.
First check for codes. Check battery & connections. Make sure battery is fully charged and in good condition, have it load tested and clean battery terminals on inside of posts. Next, disconnect negative terminal and attach a volt meter between negative terminal & neg. battery post. If it has 12 volts showing, pull fuses one at a time to find which circuit the problem is in. (There should be less than .3 volts).
Expert:  ASEMaster35yrs replied 2 years ago.
You may need a short finder to find the problem. Start with fuses and relays and check other power at all times connections.