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2000 f150 headlights wont shut off

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  #1  
Old 11-05-2019, 03:09 PM
fwilliams1's Avatar
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Default 2000 f150 headlights wont shut off

first guess is the switch but it feels normal, have to pull the fuses to shut lights off ?
 
  #2  
Old 11-05-2019, 05:22 PM
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One way to check this is to remove the headlight sw and unplug the plug from the sw and see what happens. If lights go out=sw , if not now need to look further
 
  #3  
Old 11-17-2019, 03:02 PM
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pulled the switch lights are still on
 
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Old 11-17-2019, 03:35 PM
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I am not clear on your reply. Did you remove the switch and unplug the plug from the switch?
 
  #5  
Old 11-17-2019, 03:52 PM
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sorry ,, switch completely unplugged
 
  #6  
Old 11-17-2019, 04:03 PM
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I believe your vehicle had/has Daytime Running Lights, is this so ?
 
  #7  
Old 11-17-2019, 04:36 PM
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yes it does , it has auto driving lights, but you can turn off with the light switch .
 

Last edited by fwilliams1; 11-17-2019 at 07:46 PM.
  #8  
Old 11-18-2019, 03:43 AM
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There are 2 relays that are involved with your vehicle's Daytime running lights, The first chance I get I will try to layout where they are.

At this point it could be a problem with the smart stick (sig lt sw) or the relays.
 
  #9  
Old 11-29-2019, 01:19 PM
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so i swapped the relays around , all 3 have the same part # , didnt help much, but there is a gray module clipped to the access panel
when i unplug it lights will go out , #

Module CBX YL3T-14A597-AA

 
  #10  
Old 11-30-2019, 01:45 PM
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Evidently, the problem is within that module.
 
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