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Unread 08-25-2010, 05:28 PM   #1
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Default 2000 Dakota Brake Lights Quit

On my 2000 Dakota the hazard and brake lights don't work. Can half of the flasher go bad, because I heard somewhere that the hazards, and brakes light can quit if the flasher isn't working. The turn signals are still working, and I think that they are on the same flasher.

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Unread 08-25-2010, 11:09 PM   #2
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Did you check fuses?

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Unread 08-26-2010, 05:12 AM   #3
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yep fuses are all fine

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Unread 08-26-2010, 08:50 AM   #4
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Check the power supply going to the brake light switch at the brake pedal (usually mounted on a metal dash mount or support above the brake pedal shaft), and coming out of the brake light switch as well. If you notice the brake lights and Hazard lights both work with the switch off, where the blinkers do not. The brake lights and hazard lights have a constant power supply, and the blinkers are switched power. Also notice that even when holding the brake pedal the hazards will cancel out the brake lights (unless you have tripple element bulbs or LEDs like in newer cars/trucks)

Sometimes the power supply will split before the brake light switch to run to the hazard lights. In this case the switch will have one output. Sometimes the Brake light switch will have 2 outputs. One runs through the brake light connections at the blinker switch, the other runs to the Hazard light switch. The 2 connection one should ALWAYS have power going in, and power coming out of one connection. When the pedal is pressed and the switch is activated, the output will switch to the other output side.

And in case you were wondering why the brake light switch output runs through the blinker switch it is because when you turn on your blinker (left for example) it will break the left brake light connection, allowing that side to flash instead of stay solid from the brake pedal being pressed.

In case you need it, and know how to follow a wiring diagram.


Last edited by Stretch.Nuts; 08-26-2010 at 09:06 AM.

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Unread 08-27-2010, 12:14 PM   #5
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Now the third brake light is working, but not the back ones. I do pretty much all of my own work, but I just had a front end alignment and tires balanced, does anyone think that they could have done something?

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Unread 08-27-2010, 12:22 PM   #6
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Shouldn't have anything to do with it.
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Unread 08-27-2010, 02:39 PM   #7
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Just checked the voltage, and it has 11.5 or something close to that at the bulb with the brake pushed, but still no light.....weird!

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Unread 08-27-2010, 03:16 PM   #8
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At the connector? What did you use for a ground? Did you test the ground side of the connector too? Are you sure the bulb is good?

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Unread 08-27-2010, 05:59 PM   #9
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I just put the volt meter on each of the bulb connectors to see what was going through it.

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Unread 08-27-2010, 06:43 PM   #10
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Do you have a test light? You could have a bad connection or green wire.

And make sure the bulbs are good. If you know the bulbs are good you wont need the test light.

Last edited by Felipe the Ant; 08-27-2010 at 06:47 PM.

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