Question about 1990 Dodge D150

1 Answer

My brake/tail lights arent functioning properly. its acting like the bulb is backwards. the large filament(brake light, blinker) stays on when the lights are on rather than the small filament(running

The tail light cover was broken and took on water resulting in the bulb blowing. this problem surfaced after replacing the bulb.

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  • Dodge Master
  • 35,784 Answers

It is easy to forcibly install a dual filament lamp backwards.

Posted on Mar 29, 2014

Testimonial: "ok, i'll check that."

  • Adam Watwood Mar 29, 2014

    CORRECT!!! bulbs were backwards.

  • Adam Watwood Mar 29, 2014

    thank you.

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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johnny5846
  • 379 Answers

SOURCE: 2001 dodge neon tail lights inop

looking at your schematics and , you say tail lights don't work , you didn't mention if front parking lights and license plate lights are working , they all come from the same source , a black /yellow wire , a good clue if front work and rear don't , please advise .if fronts work then you have a open circuit somewhere between junction S118 (near breakout for left headlamp) and rear sockets.

Posted on Dec 31, 2008

  • 2 Answers

SOURCE: 99 Dodge Ram 1500 4x4 / nothing but parking lights,no flashers or brake lights......

I found the problem on my Dodge Ram van.. The button for the hazard lights was bad.. I tuned on the hazard lights and only had one side, so i jiggled it and the other side came on. Then I pushed in the hazard button to turn them off and proceeded to check the brake lights, the still did not work so I again jiggled the hazard button and whaaalaaa the brake lights would flicker on and off.. I have a piece of cardboard pushing the button to the side to hold pressure on it keeping my brake light connection until I can get me a new hazzard switch.. Hope this helps..

Posted on Mar 05, 2009

moparownr
  • 667 Answers

SOURCE: Right brake light out; tail light works fine

most rear tail lights and turn/stop lights are the same dual filiment bulb. it is possible for your tail light to work and your brake light not to and still have a bad bulb. I would check the bulb first, your brake light works on the left yes? this would mean that the fuse is fine

Posted on Mar 31, 2009

  • 1071 Answers

SOURCE: 2007 dodge ram 2500 5.9 cummins. My brake lights

check your brake swithc it is up above brake pedal

Posted on Jul 23, 2009

wracefans24
  • 1985 Answers

SOURCE: no power to tail lights or license plate light.

check the fuse with a test light on both sides of the fuse,
next would be the headlight switch.

Posted on Jan 09, 2010

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1 Answer

Why my tail lights don't work but my brakes and turn signals still work


some bulbs have dual filaments in them. One for tail lights and the other for brake/blinker lights.
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Try replacing the bulbs.....assuming you have already checked the fuse for the brake lights. (many cars have the stop and back up lights on the same fuse)

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Seems like the brake/tail light bulbs are backwards. the large filament(brake/ blinker) is staying on when the lights are on rather than the small filament(running lights).


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