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Brake Switch Continuity A/B - Cars & Trucks

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Check switch at brake pedal.

Posted on Jan 14, 2013


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No brake lights 2002 lexus

It is very easy first check brake switch for continuity when depress and no continuity when press and check for fuse and circuit

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Brake lights not working

Most common problem is a faulty switch. Locate and test continuity when brake peddle is depressed.

Next check continuity of wire. (Presume you've checked the bulb and fuse!!)

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Ford explorer fuses keeps popping for brake switch

To start with, it is impossible to look the wiring diagrams up or check to see what circuits the fuse protects if you do not mention WHICH fuse is blowing. It would also be very helpful to mention WHICH ENGINE and what type of TRANSMISSION your truck is equipped with because the wiring diagrams are different.

Also, WHAT grounds have continuity? Continuity to WHAT??? If you are trying to fix a fuse that keeps blowing, WHY are you checking GROUNDS??? Why do you have the brake switch off? It is not necessary to remove the brake switch to see if it is working.

I have no idea what "hot" you are talking about. The hot from the brake pedal switch? The two wires on the brake pedal switch on a 2000 Ford Explorer are LIGHT GREEN and LIGHT GREEN/RED...I have no clue what "blacks" you are talking about.

Try to make a little sense here and I will see if I can help you.

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Brake lights dont work, changed the fuse its was ok, changed the switch on the pedal , still not lights. flashers work, turn signal work, but not the brake lights. where to look next

Hi, your van does not use the signal filaments for the brake lights. You must have a wiring issue. Check for power at the brake light switch. If you have power there, the wire is broke from the switch to the S304 junction. If there is no power to the switch, the wire is broken between the fuse box and the switch. Please let me know if you have more questions, and thanks for using FixYa.


Aug 27, 2011 | 2003 Dodge Caravan

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Brake lights not operative, fuses check good.

check the brakes switch that is located on the backside of the brake pedal...when the switch is depressed it should not have continuity and when you press the brake you should have continuity....also make sure it's plugged in

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Tail lights work, all brake lights don't. Checked fuses and all ok. Looked at wiring and all seems ok. Help!

There is a switch above the brake pedal. This switch is for the brake lights. You can use a voltmeter or continuity/ohm meter to test for resistance or continuity.
If the fuse is good and bulbs are good and all wiring tests out to have good continuity, then the switch is likely bad or it slipped out of place

Dec 31, 2010 | 2002 Chrysler 300M

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Where is the fuse for the brakes on the 2001 Buick Regal?

are you having a problem with burnt out brake light bulbs or they are not working when you are appling the brakes? If you installed new bulbs it maybe the brake light switch that is bad. The switch is located on the brake pedal bracket above the pedal. you can test the switch with an ohm meter to see if continuity goes through it. If not when the button is pushed inward the switch is bad. Bulbs for the brakes have filaments like a fuse. When they burn out no continuity goes through it just like a fuse would.

Jan 26, 2010 | 2001 Buick Regal

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O2 Dodge Dakota Brake lights wont work but bulbs r good.

If the bulbs are good I would suspect the Brake light switch.

Brake Light Switch: Testing and Inspection
The brake lamp switch can be tested with an ohmmeter. The ohmmeter is used to check continuity between the pin terminals.
Switch Circuit Identification
- Terminals 1 and 2: brake lamp circuit
- Terminals 3 and 4: RWAL/ABS module and Powertrain Control Module (PCM) circuit
- Terminals 5 and 6: speed control circuit
Switch Continuity Test
NOTE: Disconnect switch harness before testing switch continuity.
With switch plunger extended, attach test leads to pins 1 and 2. Replace switch if meter indicates no continuity.
With switch plunger retracted, attach test leads to pins 3 and 4. Replace switch if meter indicates no continuity.
With switch plunger retracted, attach test leads to pins 5 and 6. Replace switch if meter indicates no continuity.


Sep 11, 2009 | 2002 Dodge Dakota Club Cab

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Rear running lights and brake lights wont work on my 1981 ford f100 new bulbs and light switch what do i do next

I'd start probing with a test light, or continuity test. Try in & out of your brake switch at pedal, if power there, follow harness outside & down under, and work your way back, or start at plug under, at rear bumper area,or above, near axle probably, & work forward. If you use continuity tester, run a jumper wire from wire going from switch at brake pedal (wire that doesn't have power until pedal pressed.) long enough to reach the back tail lights & see if continuity is there,at back of socket, or in socket, then work forward from there. My guess is that when you find the bad spot in that wire, you'll find the other too.

Apr 05, 2009 | 1981 Ford F 100

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2000 daewoo nubira brake light problem.

could be a brake switch problem or a fuse .

check the fuse for continuity and check the brake light switch if there is continuity also when you step on the pedal.

tnx 4 using fixya,


Oct 07, 2008 | 2000 Daewoo Nubira

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