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Lost on turn signal problem

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Old Feb 6, 2005 | 03:50 PM
  #1  
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mboudrea
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Lost on turn signal problem

In relation to a 1990 Ford Ranger.

Turn signals will work for maybe 7-10 "tries" then will blow the fuse (no matter how large a fuse I use). Hazards and breaks work just fine. However, when I put my foot on the break while the hazards are on, the hazards no longer work. The back lights all go "off" until I take my foot off the break again.

So, I have tried a number of times to replace fuses, but they all blow. Since the same fuse powers the back-up-lights, I also loose these each time. Any thoughts? The truck is old and salty, so I could see why this would a be a shorting problem.

Thanks,
Michael
 
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Old Feb 6, 2005 | 04:36 PM
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Old Feb 6, 2005 | 06:42 PM
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el conquistador
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check/replace the multi-function switch
 
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Old Feb 7, 2005 | 09:16 AM
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Do you have a wiring harness for a trailer? I know mine became severly corroded and affected my brakes. Just a thought.
 
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Old Feb 8, 2005 | 07:46 PM
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Thank you for those suggestions. I was afraid to have to look into the multi-function switch... getting the steering column off can be a pain. I do have a wiring harness as well. How do you know if it is the cause of the problem? I don't have a trailor...
 
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Old Feb 8, 2005 | 09:08 PM
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You manual should have a test diagram for the MFS, also check the connector carefully.
 
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Old Feb 9, 2005 | 01:59 PM
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87 XLT
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Originally Posted by mboudrea
Thank you for those suggestions. I was afraid to have to look into the multi-function switch... getting the steering column off can be a pain. I do have a wiring harness as well. How do you know if it is the cause of the problem? I don't have a trailor...
Like Ken sez, read your manual. When I had to change the ignition switch on my 87 I simply followed the directions in my Haynes manual for removing the plastic trim around the steering column & changing the switch was a very simple 30 minute job.

When I had to change the multifunction/turn signal switch on my 95 Taurus i simply followed the directions in my Haynes manual for removing the plastic trim around the steering column & changing that switch was also a very simple 30 minute job.

BTW your hazard & turn signals use the same wiring & bulbs, so it does sound like you need to replace the multifunction switch.
 

Last edited by 87 XLT; Feb 9, 2005 at 02:10 PM.
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