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Ron, ASE Certified Technician
Category: Ford
Satisfied Customers: 35501
Experience:  23 years with Ford specializing in drivability and electrical and AC. Ford certs and ASE Certs
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I have a 2010 f150 4 door ranch the rear defog doesn't work

Customer Question

I have a 2010 f150 4 door king ranch the rear defog doesn't work the dash indicator light is on and the side mirrors are working on heated mode ?
Submitted: 1 year ago.
Category: Ford
Expert:  Ron replied 1 year ago.

Hello and thank you for you question,

There are two fuse you need to check first to make sure they are not blown, check the F 43 fuse located in the interior fuse panel and the other is the F 32 fuse located in the under hood panel. If both fuse check okay then you are going to need to do some testing starting at the connector for the grid. I have enclosed the pinpoint test as well as the wiring diagram in the links below, copy and paste the links to your browser to open and view them.

Post back if you have more questions and or need more help and we can work from there.