Classic Mustangs (Tech) Technical discussions about the Mustangs of yester-year.

Flickering Headlights

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Old Dec 16, 2006 | 10:04 PM
  #1  
unit91's Avatar
unit91
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Joined: Oct 2006
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From: Virginia
Default Flickering Headlights

Headlights flicker at a prety steady tempo while driving. Any ideas?
Old Dec 16, 2006 | 10:09 PM
  #2  
bignatesan's Avatar
bignatesan
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Joined: Apr 2006
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From: Big Nate
Default RE: Flickering Headlights

Maybe a bad ground somewhere.
Old Dec 16, 2006 | 10:55 PM
  #3  
mustanglover66's Avatar
mustanglover66
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Joined: Mar 2006
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From: Concord, NC
Default RE: Flickering Headlights

check the ground wires atached to the headlights
Old Dec 17, 2006 | 12:04 AM
  #4  
valley firearms's Avatar
valley firearms
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Joined: Sep 2005
Posts: 2,505
From: Wasilla, Alaska
Default RE: Flickering Headlights

Those old wires get hard over the years and the insulation on the outside crack. It may be a short or bad ground as the others have stated.
Old Dec 17, 2006 | 12:10 AM
  #5  
unit91's Avatar
unit91
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Default RE: Flickering Headlights

OK.....will do. Do you know if there's a way to answer more than one reply at the same time?
Old Dec 17, 2006 | 12:12 AM
  #6  
Halz5's Avatar
Halz5
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Joined: May 2006
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From: IL
Default RE: Flickering Headlights

Couldnt a bad voltage regulator cause that or no?
Old Dec 17, 2006 | 12:16 AM
  #7  
unit91's Avatar
unit91
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From: Virginia
Default RE: Flickering Headlights

Could be. How about alternator/regulator or loose belt?
Old Dec 17, 2006 | 12:16 AM
  #8  
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rmodel65
Yukon Cornelius
 
Joined: Oct 2005
Posts: 11,812
From: deep in the heart of dixie GEORGIA
Default RE: Flickering Headlights

are u running halogens? sometimes they can cause the switch to overload and make the circuit protection to open
Old Dec 17, 2006 | 12:17 AM
  #9  
unit91's Avatar
unit91
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From: Virginia
Default RE: Flickering Headlights

Nope......just regular bulbs......
Old Dec 17, 2006 | 02:45 AM
  #10  
stanging's Avatar
stanging
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Joined: Jan 2004
Posts: 184
From: Oklahoma City, OK
Default RE: Flickering Headlights

Need a new head light switch, which I believe is also a circuit breaker on early mustangs.



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