Red solid light on under the dash

Asked by SallyMae1 Mar 12, 2019 at 06:34 AM about the 2004 Ford Mustang Deluxe Convertible RWD

Question type: Maintenance & Repair

I just noticed a solid red light
under my dash on left coming
from the fuse box I believe.
What is it?  Why is it on?
What is causing it to come
on?

1 Answer
42,930

Hornet_2497 answered 5 years ago

There's a new item called a "smart fuse" that glows when burnt out. That helps you locate it and replace it easily. Check it out and see if that's correct.

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