Question about 2001 Ford Super Duty F 450

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Driving a 2001 f550 ! my problem is i have no brake lights ! i have replaced the brake pedal switch and checked fuses there good ! need some tips on were to start ?

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Their should be a brake relay near the brake pedal switch.... check to make sure you don't hear a "click" when you hit the brake pedal....a "click" on a relay generally means it has gone bad and just simply needs to be replaced......that isn't the case then...

Check the wiring harness that leads to the back of the truck from at the switch and at the bed of the truck to make sure the wires are intact and the contacts from wiring harness one and wiring harness two are attached and not covered in a thin film of dirt, grease, etc.

Posted on May 03, 2010

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2001 Chevy Cavalier no brake lights but turn signals/hazards/backups work just fine. any ideas?


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not come on replace switch, & mount properly in bracket.

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Brake lights not working on 2004 ford f550 . cannot seem to find fuse list for truck.


try using 12v light conect to ground touch each side of fuse if light comes on fuse is good,you can also check brake switch at pedal.

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How do i fix my brake lights after i already put in new bulbs


There is also a fuse to check. There is also a switch down by the pedal to check. The wires may be bad too. If it is all the lights, I'd check the fuse and the pedal switch first.

Oct 09, 2010 | 2001 Ford Expedition

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Brake light wont light up when brake pedal is pressed


Sounds like a brake lamp switch or fuse. Check all fuses electrically, with a test probe you can purchase from any auto parts store. Go through each fuse with the probe touching the end or tip of the fuse after clipping the lead on the probe to a good ground. If the probe lights up at both ends of the fuse, the fuse is sound, if it only lights up at one end then replace that fuse and if the probe does not light up at all, that fuse is not active so turn on the ignition but dont start the motor. The brake lamp switch is attached to the brake pedal. It may have a single wire or several. All the switch does is connect the brake lamp circuit to an active supply rail so, The switch should have one active wire and the other wire should become active when the pedal is pressed. If it does not, replace the switch. If it does, then you may have two blown bulbs in the rear lamps or a damaged wiring harness to the rear lamps and you should seek the advice of a qualified person. Start with the fuses, then the switch, then the bulbs..and remember, you may have more then one fuse panel in the vehicle so check under the hood too..

Apr 24, 2010 | 1993 Lincoln Town Car

1 Answer

How to replace brake light switch?


How to Replace a Brake Light Switch
Parts:
1. Brake Light Switch

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Tools:
1. Needle Nose Pliers
2. Flashlight
3. Combination Wrench Set

Steps:
Step 1 * Insert your key and turn the ignition switch to the ON position.
o Tip: Safety Tip:Always wear safety glasses when working on your vehicle. Wear other personal protective equipment (PPE) when necessary, for example latex gloves or safety shoes.

Step 2 * Turn your headlights on.
o Tip: Have an assistant check to make sure your tail lights are both working properly.

Step 3 * Step on your brake pedal and have an assistant check to see if the brake lights illuminate.

Step 4 * If all the brake lights are out, locate the brake light switch on the brake pedal linkage. Check for 12 volts into and out of the switch.
o Tip: Turn the key to the OFF position before starting any electrical work.

Step 5 * Disconnect the wiring harness from the brake pedal switch.

Step 6 * Disconnect the brake pedal switch from the brake pedal linkage.
o Tip: You may need to remove a c-clip to do so.

Step 7 * Remove the old brake pedal switch and replace it with a new part.

Step 8 * Reconnect the wiring harness to the brake pedal switch.

Step 9 * Repeat steps 1-3 to confirm that the repair has solved your problem.


Hope help with this (remember rated an comment this help) Good luck.

Mar 02, 2010 | 1993 Buick LeSabre

1 Answer

2001 GMC Jimmy break lights not working but all


Check the brake light switch should be a orange wire with 12v then a white wire with 12v when the pedal is pressed.If htat cks good then ck the hazard switch by moving it up and down and wiggeling the knob with the brake pedal pressed if they start working then your multifunction switch is bad and needs to be replaced.

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2 Answers

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1st check all the fuses and bulbs ..also the pedal { brake-switch } may need adjusting

Oct 16, 2009 | 2001 GMC Safari

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Brake light switch located on the brake pedal bracket.

Jul 08, 2009 | 2001 Nissan Xterra

1 Answer

Locked gearshift, no brake lights


If you are SURE that the brake light fuse is good? If so, check the brake lamp switch above the brake pedal, see if it is somehow disconnected. Check for power, at both sides of the brake fuse...and, check for poweer coming into and out of the brake switch (when pushing the brake pedal) with a 12 volt testlight. If the brake fuse is good, and you have power coming TO the brake switch, and not out of it, you need to replace the brake light switch.
OTOH, the brake switch just might need a small adjustement, too...If power is at both sides.
Note that the brake light switch ALSO powers/releases the shifter lock solenoid. You cannot take it out of park without pressing on the brake pedal.
Hope this helps you solve your problem.

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