Topic Sponsor

Headlights randomly turn on off and on

Thread Tools
 
Search this Thread
 
Old Sep 12, 2017 | 02:00 PM
  #1  
Jeff Switter's Avatar
Thread Starter
Junior Member
 
Joined: Mar 2017
Posts: 11
Likes: 0
Default Headlights randomly turn on off and on

My headlights have started turning off and on randomly. At first it was only when the brights were on but last time I drove the dims started doing it too. dash and taill lights stay on and turn signals still work. any suggestions on were to start looking?

1990 f150 5.0 5spd 4wd

Last edited by Jeff Switter; Sep 12, 2017 at 02:21 PM.
Reply
Old Sep 12, 2017 | 02:11 PM
  #2  
BadFish523's Avatar
Moderator
Supporting Member

10 Year Member
Liked
Loved
Community Favorite
 
Joined: Mar 2015
Posts: 5,793
Likes: 695
From: Arlen, Texas
Default

Year? Engine? Model?
Reply
Old Sep 12, 2017 | 02:17 PM
  #3  
Jeff Switter's Avatar
Thread Starter
Junior Member
 
Joined: Mar 2017
Posts: 11
Likes: 0
Default

1990 f150 5.0 5spd
Reply
Old Sep 12, 2017 | 02:21 PM
  #4  
Jeff Switter's Avatar
Thread Starter
Junior Member
 
Joined: Mar 2017
Posts: 11
Likes: 0
Default

added info to post.
Reply
Old Sep 12, 2017 | 02:51 PM
  #5  
BadFish523's Avatar
Moderator
Supporting Member

10 Year Member
Liked
Loved
Community Favorite
 
Joined: Mar 2015
Posts: 5,793
Likes: 695
From: Arlen, Texas
Default

Having all the info may help you get the answer you need. Sorry that I cant provide you with the answer though.
Reply
Old Sep 13, 2017 | 09:31 AM
  #6  
BLDTruth's Avatar
Senior Member
 
Joined: Jun 2015
Posts: 2,918
Likes: 489
From: Oregon
Default

Probably a bad headlight switch
Reply
Old Sep 13, 2017 | 01:17 PM
  #7  
Eric Fullerton's Avatar
Senior Member
 
Joined: Apr 2017
Posts: 475
Likes: 65
From: Denton, TX
Default

I've seen that frequently, so far it has always been the dimmer switch.
Reply
Old Sep 18, 2017 | 03:35 PM
  #8  
Jeff Switter's Avatar
Thread Starter
Junior Member
 
Joined: Mar 2017
Posts: 11
Likes: 0
Default

Found the problem, the connector to the headlight switch was burnt. I replaced connector, switch and dimmer switch. seems to be working now.
Reply




All times are GMT -4. The time now is 12:07 PM.