You need to test the brake light switch, it is above the brake pedal and it is actuated by the brake pedal arm. Press the brake, the switch connector should show 12 volts on both sides, if not the wiring connector is defective or the switch is defective. Below is a diagram of a typical brake switch which is #4 in diagram.
SOURCE: no brake lights of blinkers 1990 dodge dynasty
While not likely, it is possible that the light bulbs in both sides are have bad filaments. Turn on ignition key (but don't start engine). Then turn on parking lamps (first detent or "click" on headlamp switch). Walk around car and look for illumination on front parking lamps and rear tail lights. Turn on the right turn signal. Are those (right hand) lamps now changing brilliance? Try the left turn signal in the same manner. Are those (left hand) front and rear lights changing briiliance? Take note of any positions that did NOT change briliance when the turn signals were activated. If NONE changed briliance, you either have a bunch of bad bulbs (unlikely) or a bad flasher (more likely) or a bad turn signal switch (most likely) or perhaps wiring problems (possible if the car has been in a collision or has been "worked on" by some "non-expert" mechanic). Check the action of the emergency flasher control switch located on the steering column (facing up). Pushing it in (down) should result in the button going to two different heights alternately (low, high, low, high). You could just have bad flashers or corroded flasher contacts! Good luck!
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..
SOURCE: 1997 Dodge Caravan No Brake Lights
i have the same problem you have to put a bit of solder on all the tips of the connectors were the bulb goes in and it will be fixed
SOURCE: 03 Ram 1500 E-Brake light flashing
its possible the switch on the e/brake unit broke, take a flashlight and locate a single/double wire that goes to the e/brake assembly (this is the piece you depress with your left foot) and look to see if the wire is broken or the switch the wire goes to is broken.
SOURCE: 2001 Dodge Durango, headlights flicker
I had a similar problem on my 2001 Caravan. Turned out to be a loose connection between the frame control module and the fuse box. I unscrewed the frame/front control module from the fuse box and bent the tabs slightly to make better contact. Then tighten down the module securley. Need star driver to loosen screws
Do the brake light work? No brake lights and it won't shift out of park. Check your fuses and check for loose wires. Check your brake light switch. If that has failed, you won't be able to get out of park. The other one if the shift lock solenoid which is in the shifter assembly. The brake shift interlock switch prevents the car being shifted from park unless the brake pedal is depressed. Try to apply power/ground to the proper wires & see if it will activate.. If it does, then the problem is between the brake light switch & that solenoid. Could be the wires or the switch.Make sure the shifter cable is still held down in place at the shifter assembly & under the hood. It is the interlock switch that you hear/feel clicking.It is for the prior generation but may still apply.
Good Luck and hopefully you soon will be on the road again...;-)
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