Brake Light Issues
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Senior User
Joined: Jun 2008
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From: Jupiter, Fl
Brake Light Issues
On my 1993 F-250 w/ 7.3L. About a month ago my brake lights wouldn't come on unless I pressed really hard on the brakes but now they wont come on at all no matter what I do. Turn signals still work and parking lights still work. I have no idea what this problem can be and I need all advice from simple to complex please.
Logistics Pro
Joined: Apr 2011
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From: Earth
have you checked the basics like wiring for fulty connections, fuses, relays, could be a bad relay and/or wire or possibly the switch (i think?) if any for the break/light connection may be bad, thats what i would look at first is relays and wiring then fuses
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Joined: Jun 2008
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From: Jupiter, Fl
Well I havnt checked anything. I just replaced the whole fuel system after breaking down in Georgia And i just got home and thats when I noticed my brake lights didnt work at all. I'll check them tomorrow when I have some daylight. Thank you very much. All this repair work shot my brain and I cant think clearly anymore 
Logistics Pro
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From: Earth
yep, just checked my haynes book (yes and there should also be a switch which i was refering to in my first post) connected to the break pedal that you should check first along with any relays/wires, if that switch is bad you could see these type of issues (its 00:47 in the morning so im tired guys)
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Senior User
Joined: Jun 2008
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From: Jupiter, Fl
Well i took a look at the switch and from just eye balling it. it seems to be ok. but i played around and the brake light comes on after a few pumps on the brake pedal but only for five seconds and it turns off
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Logistics Pro
Joined: Apr 2011
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From: Earth
can you take a pic of the wires in question, im not 100% sure as i have a '95 not a '97 but generaly the wires you want to test are red and black red=hot and black=ground, there may be other wires that may be involved, so others should hopefully chime in that may have more knowledge
Postmaster
Joined: Aug 2005
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From: Cleveland, TN
The switch can be as pretty as it was the day it was made, what you are not seeing is the brunt contacts inside...
