Question about 1980 Honda CX 500 A

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Brake lights don't work, although bulbs are good. Can one bad switch (front or back) make lights work with neither?

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If a switch is bad, it will only affect that brake, not both. If the bulb is good, then i suggest it must be the fuse for the brake lights, located in the fuse box, either under the seat, or behind one of the plastic side plates.
Even though the bulb may look good, it still is worth replacing it, to eliminate that source of the problem.

Posted on Jul 13, 2010

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Posted on Jan 02, 2017

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4 Answers

2008 Ford Escape Brake Lights don't work and back turn signals


Sounds as if the bulbs are bad, but could also be a failed multi-purpose switch.

Feb 09, 2018 | 2008 Ford Escape

1 Answer

I need to find the flasher relay for a grand marquis 2001 .does it has one? My turn signals wont work I can hear the sound but don't even flash


Yes, it does have a flasher, although it may be a combined unit with the hazard flashers relay. So you hear the clicking of the flasher relay? That seems to indicate the relay is working properly. Have you checked the bulbs and the turn signal fuse? Any turn signal bulbs light up anywhere, front or back?
How about your brake lights, do they work? Your car may have separate, stand alone turn signals in the rear, but many American cars use the same bulb and same filament on the bulb for the brake lights and turn signals. If your merc is like this and the brake lights work, then the bulb must be good.
Turn on the hazard flashers and see if all bulbs work and flash at each corner of the car. This would be the same bulb as for the turn signals. If they work, it could be a bad turn signal switch, may even be the flasher relay somehow malfunctioning, and in a few cases, a bad hazard switch can affect the turn signal switch. Check fuses and bulbs first. If you have any type of body control module that controls lights and other accessories, you may have to investigate that. I know I'm not being very helpful, just throwing out a few suggestions. Good luck.

May 21, 2012 | 2001 Mercury Grand Marquis

1 Answer

My running lights work my turn signals work why don't my brake lights


You either have a bad brake light switch or a bad fuse that powers your brake lights. Go to your fuse panel and check the fuse first. If it checks good then check the brake light switch. The switch will be located on the brake pedal at the top. There should be two wires into the switch. One will have power at all times. as you depress the brake pedal it makes the connection in the switch to the other wire which then sends power to the brake lights and illuminates the bulbs. Use an electrical tester to make sure you have power in and power out when the brake pedal is depressed.

Apr 07, 2012 | 1996 Oldsmobile Cutlass Ciera

1 Answer

Brake lights don't work.fuses good.


if the signals work then the wiring from the front to the bulbs are good.you may have a problem with the brake light switch not working.its located on the brake pedal under the dash by the firewall.there should be 2 wires one wire should have battery voltage at all times and the other wire should only have voltage on it when the pedal is pushed.if not then the switch needs replacing and maybe adjusting also check the wire connections as if they are bad can cause this as well

Nov 08, 2011 | 1996 Dodge Ram 1500 Club Cab

1 Answer

Brake Lights all of a sudden not working on my 1995 Tahoe. Checked fuses and lights. Neither burnt out.


The turn signal switch and the hazard switch are likly places to look. To checjk the fuses is'nt to take them out and look at them but to test to see if power will go though them, I use a test light ( a tool that looks like an ice pick with a wire coming out of the handle and the handle is clear with a light bulb inside). with the clip connected to a good ground as you touch the back sides of the fuses the light will light if it only lights on one side, the fuse is blown ( does'nt matter what it looks like ) a bad fuse can look good. the turn signal switch is involved as is the Hazard switch. If you pusth the hazard switch and the lights light good then you know that the lights and the sockets are good. You also know that the wires are good . With the key on the turn signals should work front and back ( thier different cicruits) If only working in the front the turn signal switch is bad provided the hazards worked all the way around. Does the high mount stop light work? It works off of it's own circuit on the brake light switch and if no lights work your back to the fuses only after you checked to see if the high mount bulbs are good. Your car is plenty old enough to have them be burnt out. If the high mount doesn't work with the bulbs known to be good and then you check with the test light to see if the power isd getting to the brake light switch. One wire is hot with the key off and another comes hot with the key on ( the cruze control switch in the brake light).

Aug 30, 2011 | 1995 Chevrolet C1500

1 Answer

Both rear turn signals have stopped working, front are fine? Is it the switch?


the switch controls both front and rear signal lights.the wires just T off in the harness to go both ways.you don`t say but are the rear bulbs ok.there is 2 filaments in the bulbs one for tail lights and one for signals/brake lights.so the brake lights work if so then the bulbs are good.if not then the bulbs may be the problem.it could also be a wire feed/ground problem that you will have to trace from the sockets back through the system with a test light checking for power and ground.

Jun 14, 2011 | 2006 Dodge Ram 2500

1 Answer

Rear brake light not working wheneither lever is used, bulb is good


If the rear brake light is working when the rear brake pedal is depressed but not when the front brake lever is pulled, the most likely problem is the front brake light switch is bad. The switch is located inside the right handlebar switch housing. To get to the switch, you must disassemble the switch housing. Loosen the throttle and idle cables. Take the two bolts that hold the switch halves together out. Carefully lift the top half of the switch housing and disconnect the throttle and idle cables from the throttle sleeve. Be careful not to lose the ferrules that go on the ends of the cables. Lower the bottom half of the switch housing and you should be able to see the switch on the inside of the end that faces the front brake master cylinder. To replace the switch, you must de-solder the wires, replace the switch, then re-solder the wires to it. When you put everything back together make sure you don't pinch any wires and that the throttle operates as it should.

Good Luck
Steve

May 23, 2011 | Harley Davidson FLSTC Heritage Softail...

1 Answer

Hell i just bought a chevy cavlier and my back break light is out...the light its self is on...its just the break light when pressed...


you don`t say if its both or just one brake light out.you say the light itself is on but not if you mean tail light or what.the tail lights use a different filament in the bulb than the signal light which is the same filament that the brake light uses.if the signal light work on the rear then the bulbs are good,if just one side works then the bulb is no good on the side that doesn`t work.if the signal lights work but neither brake light works then you need to check the fuses in the fuse panel under the dash on the drivers side.if the fuses are good then it will be either a bad wire at the brake switch or a bad brake light switch,this is located on the brake pedal lever under the dash.

Mar 18, 2011 | 1999 Chevrolet Cavalier

1 Answer

Left side brake and hazard lights don"t work


sounds like a bad turn signal switch, wiggle it , just a little bit,... see if some of the lights start to work. do your turn lights work correctly??

Dec 02, 2008 | 2000 Chevrolet Lumina

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Televison: Toshiba Model 46L5200U1 with logo flash and then blank screen. I bought a TV LED/LCD Backlight tester, but am not 100% sure I used it correctly, or if I do have an issue or not. 1. How many LED/LCD strips does this TV have? 2. Wires from the LED/LCD's into the connector on the board. The connector (CN003)chart on the board says Pos1:black wire and says output. Pos2&3:Empty/Reserved. Pos4, 5, 6 & 7:white wires that are 151, 152, 153 and 154 respectively. It doesn't say anywhere on the board which are positive and negative. I put the Red lead into the hole of the black wire and the black lead in pos 4 for white wire. Then moved the black lead one at a time to the next 3 positions. Results: Pos4: 78.6 Pos5: 88.1 Pos6: 87.9 Pos7: 87.9 A. Is the above the correct test to do? I put the leads in the open holes of the disconnected wires to touch them as they would be if they were connected to the board. B. If this test is correct. Is Pos4 showing I have an issue with one or more of the LED/LCD's in a strip since it is below the others? All of them lite up the lights in the test for reference to this question. 3. If I didn't test question 2 correctly, I also did two other tests with the leads even though I had no idea which was positive and negative. Test 2: Pos4: Black lead and Pos5: Red lead with 92.4 reading Pos6: Black lead and Pos7: Red lead with 101 reading Test 3: Pos4: Red lead and Pos5: Black lead with 101 reading Pos6: Red lead and Pos7: Black lead with 101 reading Please let me know what you think and which test might be correct. I did watch a video and read the directions for the test, but I want to be certain before buying an LED/LCD strip or two. Or, if you think the results are within the correct limit and if I might have a different issue, what that issue might be? and, how to test that issue? I have a good multi-meter as well. I haven't used it much though, but with directions and I can do the testing with no problem. Thank you for your time.

Dec 11, 2018 | Red Motorcycles

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