2005-2014 Mustangs Discussions on the latest S197 model Mustangs from Ford.

Quick help nothing illuminates in rear

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Old Dec 5, 2014 | 08:27 PM
  #1  
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blmustang01
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From: Tampa, Florida
Default Quick help nothing illuminates in rear

Brake lights work when pedal is pressed and everything lights up when locking vehicle but when my headlamps and foglamps on only the rear is out. I recently installed very bright LED license plate bulbs but that was 3 weeks ago. Now the license plate bulbs and brake lights are out at idle is quite dangerous at night.

What fuse to check # 24?
Old Dec 5, 2014 | 08:43 PM
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blmustang01
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head light switch ?
Old Dec 5, 2014 | 08:59 PM
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blmustang01
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I will have to take it in to the dealer.
Old Dec 5, 2014 | 09:23 PM
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blmustang01
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Found it. Blown fuse #22 (blue) on passenger side fuse box. Perhaps those license plate LED's need load resistors installed.
Old Dec 5, 2014 | 10:26 PM
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ticopowell
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most LED's need resistors to my understanding because of the differences between standard and LED lights.

And checking all the fuses was going to be my first suggestion. Glad you found it.
Old Dec 6, 2014 | 05:33 PM
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blmustang01
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I installed plasma LED's that are CANBUS Compatible meaning they are properly equipped with load resistors so I'm putting another fuse back in and see if it pops again.
Old Dec 9, 2014 | 12:40 PM
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Originally Posted by blmustang01
Found it. Blown fuse #22 (blue) on passenger side fuse box. Perhaps those license plate LED's need load resistors installed.
Glad you found the culprit, blmustang01. Thank you for the update!

Deysha
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