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Discussing headlights in the Classic Mustangs Forum. When im driving at night, the headlights will flash on and off. Why is this ...

       

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Old July 15th, 2008, 12:47 AM   #1
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headlights


When im driving at night, the headlights will flash on and off. Why is this happening. When i bought the car, it only did if the brights were on but now it does it regardless. What should i do to fix this. Should i replace the foot switch or just the whole headlight harness?
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2001 mustang gt 5 speed
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1965 Mustang
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Old July 15th, 2008, 12:49 AM   #2
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You might have a ground problem. That happened to me had to trace the entire wire to find where it was.
 
Old July 15th, 2008, 12:50 AM   #3
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where is it grounded or atleast where was it on yours so maybe i can check that first?
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2001 mustang gt 5 speed
Full bolt ons with 4.10 gears.

1965 Mustang
302 with 4 Barrel edelbrock 600cfm, T5 transmission, Hurst short throw shifter.
In the process of restoring it...
 
Old July 15th, 2008, 01:10 AM   #4
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It is your Dimmer Switch, or Headlight switch, or a grounds.
The Ground for head lights is beside your voltage regulator right side of the radaitor.

My bet is on the dimmer sw.
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Old July 15th, 2008, 03:11 PM   #5
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Im going to go ahead and or the headlight harness and foot switch. That should fix the problem right.
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2001 mustang gt 5 speed
Full bolt ons with 4.10 gears.

1965 Mustang
302 with 4 Barrel edelbrock 600cfm, T5 transmission, Hurst short throw shifter.
In the process of restoring it...
 
Old July 15th, 2008, 05:26 PM   #6
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i have seen the headlight switch do this when i changed to halogen lights.changed to updated switch and no more problem.
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Old July 15th, 2008, 07:22 PM   #7
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this happend to mine also and there was a break in the wire
 
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