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Old Jan 5, 2018 | 09:19 PM
  #1  
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Vinford
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Headlights

2002 F-350 Crew Cab 4x4 5.4 engine

Headlight problem.

Low beam and dash lights don't work?
 
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Old Jan 5, 2018 | 09:26 PM
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73F700
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low beam and dash are both controlled by one switch on the dash - check for power at the switch. Have you confirmed fuses are all good?

are your clearance/marker lights working?
 
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Old Jan 6, 2018 | 10:18 AM
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Originally Posted by 73F700
low beam and dash are both controlled by one switch on the dash - check for power at the switch. Have you confirmed fuses are all good?

are your clearance/marker lights working?
I checked fuses but theres lots of relay looking boxes in fuse panel?
I don't have a manual for truck so don't know which one runs what?
 
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Old Jan 6, 2018 | 01:22 PM
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Originally Posted by Vinford
I don't have a manual for truck so don't know which one runs what?
Here is a PDF of your owners manual. Fuses start on page 162.
 
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Old Jan 7, 2018 | 11:50 AM
  #5  
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Seems to be more to this than first thought.
I just noticed my taillights come on with the key , you don't need to turn switch on.
They work proper , signals etc but go off and on with the key?
 
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Old Jan 7, 2018 | 02:48 PM
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do you mean if you press the unlock button they come on for a minute or so? isn't that normal?

or are you saying that when you turn the key to 'on' position you have running lights even though the light switch is turned off?
 
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Old Jan 7, 2018 | 08:19 PM
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I have taillights when my key is turned on but light switch is off.
 
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