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97 ford explorer. left turn signal works until I step on brake. Then dash turn signal goes to steady and all my lighats on left side light up. when I let off brake pedal, it goes back to blinking normal. Why?
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It could be the turn signal switch, since the brake wire travels through the turn switch after it leaves the brake switch and then goes to the bulbs. That is how you get a steady brake light on one side, and a blinking light on the turning side. The rear turn signal lights and brake lights share the same filament in the bulbs (and the same wire). The wire on the turning side has to first travel through the flasher relay. If you have a test light, first check for power out of the brake light switch with the pedal depressed. Then check for power in and power out at the turn switch connector-power in on the brake light wire and power out on either of the wires going to the rear bulbs-if no power out, the turn switch is bad-brake pedal still depressed so you still have the signal.
Lets start at the beginning. The turn signals and brake lights use different fuses but both go thru the turn signal switch and use the same bulbs. Have you checked the fuses for each circuit and does each switch have power in and out ?
One of 2 things to have checked, if all your bulbs and connections are correct. 1-stop lamp switch module. 2-multifunction/combination switch (blinker arm/components that are in the steering column). For about a 1/2 hrs. labor cost, a mechanic should be able to test the circuits.
Hello. The symptoms you are describing are likely due to a poor ground. Temporarily install a new ground wire by securing a piece of copper wire to the frame with a self tapping screw. Use this ground wire along with the hot wire to see if each of these lights works. If it does, trace the ground wire back to the frame, unscrew it and clean up the metal with emery cloth so you reestablish a good ground.
if your vehicle lights are working all the fuses will be good. follow the cable from the towing socket on your vehicle , it will most likely go behind one of the rear lights to connect into your cars system,
check your tester where the cables join and you should find the problem. hope this helps.
Rear lights are double filament bulbs one side for the lights other side for the brake/turn signals so it still may be a bulb. Do u have a test light or volt meter you can check to make sure u have power there when brakes or turn signals are activated. Or just try another bulb.
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