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Turn signal issues

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Old Aug 1, 2020 | 11:48 AM
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Turn signal issues

I have a 2004 f250 that I recently switched the utility bed out for a flat bed. Now my turn signals both blink but only when my foot is on the brake. Has anyone experienced this or know what I might have done. Any help is very much appreciated!
 
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Old Aug 1, 2020 | 11:43 PM
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I had an issue where both rear lights would blink if I used turn signal. PO put in an aftermarket harness in the rear and turned out was a wire in there. Not sure if it could be similar.
 
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Old Aug 2, 2020 | 06:39 AM
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Originally Posted by EricClark
I have a 2004 f250 that I recently switched the utility bed out for a flat bed. Now my turn signals both blink but only when my foot is on the brake. Has anyone experienced this or know what I might have done. Any help is very much appreciated!
Check your ground circuit for the back of the truck.
 
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Old Aug 3, 2020 | 07:57 AM
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Originally Posted by projectSHO89
Check your ground circuit for the back of the truck.
Thank you, it was indeed a ground issue.
 
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