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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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Battery dead by left on ignition switch Will not jump start

Customer Question

Battery dead by left on ignition switch Will not jump start or dash board check systems come up. Remote , wipers etc all seem fine. No power to ignition
JA: Is the power loss consistent, or does it fluctuate?
Customer: Power consistent. Seams like security system needs to be reset
JA: What is the model/year of your Ford?
Customer: F150 2010 lariat
JA: Are you fixing your F150 yourself? What have you tried so far?
Customer: Charging battery ,,; tried jumper cables. Dash controls do not. Light up when keys is turned been alarm signaling in ignition does not sound
JA: Anything else you want the mechanic to know before I connect you?
Customer: Checking ignition fuze now. Thanks
Submitted: 11 months ago.
Category: Ford
Expert:  AMEDEE replied 11 months ago.

Hello and welcome!

My name isCustomerand I can assist you with your question.

Expert:  AMEDEE replied 11 months ago.

I can help walk you through this diagnoses.

Can I start by getting your VIN?

Customer: replied 11 months ago.
Expert:  AMEDEE replied 11 months ago.

Thank you for that information.

Do the dome lights work? What about the headlights?

Your sure all fuses are good?

Customer: replied 11 months ago.
Lights all work. Key-in chime does not work
Customer: replied 11 months ago.
Fuze for key-in chime is fine.
Expert:  AMEDEE replied 11 months ago.

Ok, lets start by checking for battery voltage on fuse 16 in the smart junction box. This fuse should have battery voltage on it at all times.

Expert:  AMEDEE replied 11 months ago.

Here is a wiring diagram

Customer: replied 11 months ago.
I guess the battery finally got charged enough so it cranked. Thanks for your concern
Expert:  AMEDEE replied 11 months ago.

Your welcome