The running light was working when I bought the bike. If yours do not have that, you're using the wrong bulbs. Take your test light and find a good ground and use the probe to alternately touch each of pins inside the connector. On my 63 nova my right side brake lights doesnt light up when i step on the brake and either does my turn signal. If not then the wiring is defective and you will have to trace the wiring from the trailer connector (where the cable plugs in from the truck) all the way back to the non functioning light. The running lights in the back still work just fine at night and during the day, but no turn signal on rear right tail light. I put new bulb in and that did not fix anything. Brake and turn signal not working on left side. the parking lights do work but my right turn signal light doesnt turn on. Only one of the switch terminals should turn on the test light. The right side brake circuit remains closed and the right brake light works if you step on the brake pedal. The rear right turn signal doesn't work at all. Test the Turn Signal Switch: On older American vehicles the brake light circuit is routed through the turn signal switch which can go bad not allowing the currant flow to continue to the brake lights. Test it because it could be the wiring between the turn signal switch and left side light. Assisting our neighbors and customers, face to face at the counter. If the right rear turn signal works, but, the right brake light does not, I would unplug the wiring from the right tail light and plug that into the left tail light and see if the brake light worked on the left side. Turn your flashers on to check the bulbs .Checks good go to your brake light switch mounted on upper part of the brake pedal with a simple test light you should have hot (test light on) when the brake pedal is depressed if not and the ong wire is hot (15 amp fuse in the fuse panel under dash) says STOP by it you need to replace the brake light switch. What Color Are the Brake Lights On A 4-Way Flat Plug Of Wishbone Wiring Harness? Remove the cable between the truck and the trailer and make sure that the connections are clean and tight. We have changed the bulb but still nothing. I have a 2002 t-bird. I would test each pin as a helper activates the different tail light functions on the vehicle. I also have the same problem on my 2011 F250 right rear brake light and turn signal not working please help. Neither does the rear right brake light. I recommend either relocating the tail light ground or running it back to the main trailer ground. To make it work, I ended up unplugging the harness leading from the outer right rear light assembly that piggybacks into the outer left assembly. If your signal lights and stop lights are working in the truck, then the problem has to be one of the following: The fuse that controls the right side lights in the trailer is faulty, your connectors (truck or trailer side) is faulty, your cable between the truck and the trailer is … If you see the same thing – then you have eliminated the truck connector and cable as a problem source. Just happened. The ones on the left work just fine (brake light and turn signal … Same issue . If the light comes on when you pierce the wire then the socket is bad. As of today when I went out to start it neither the running light or brake light are working. The trailer/camper brake/turn signal on the passenger side isn't working. Any suggestions? Everything else - both running lights, right brake, right signal, works. The trailer wiring isn't the problem. the turn signal does. Having some difficulty finding the brake switch on the brake pedal, Everything you need to know: The RV Guide we wish we had 10 years ago. 1,125,924 phone calls and 1,350,587 emails to help find the right solution. Then check the brake light switch on the bake pedal arm. Driver's side tail light brake light and turn signal not working . Trace that wire all the way to the right side signal light. Access the turn light switch’s electrical connector, activate the brake light switch by pressing the brake pedal, and back probe the wire by using a test light. If the front one works then usually the switch is working so verify the contacts for the light that is not working are all good. I have a 2007 Chevy Express with the same problem. Changed bulb, (used a known good). Find a good ground and again use the test light probe and carefully check for voltage inside the socket. The rear right turn signal doesn't work at all. If the wiring and socket are good then you your test light should light at one of the contacts. It may be possible that there is a short on the right turn signal and brake light wire. when one turn signal works and one doesn't it is usually the tail light contacts or the turn signal switch. No juice to the orange/blue strip wire. If you have a factory tow package, you likely have a blown fuse. the front turn signal and mirror signal are working and - Answered by a verified Ford Mechanic. If it does not, then the socket could be the problem. The tail lights work but not the turn signal. The left front flashes rapidly and the right side signals work so I figure it's not the flasher unit. Starting at the trailer side connector, follow the wires back to the tail lights looking for any sections that are pinched, frayed or damaged. Back probe the switch terminals with a test light. Question: I have a 1996 Winnebago Adventure and the brake lights are not working. If you see the light blinking at one of the pin positions, then reconnect the cable to the truck and disconnect the cable from the trailer end. Also stabbed wire at rear of truck before it splits and no power there for blinker or brake on left side. checked all fuses in my 05 ram 2500 all was good. Engage the right side blinker and disconnect the cable between the trailer and the truck. Finding and fixing the short should solve your problem. Believe it or not, you could have a BCM code that is stopping your brake and turn signal lights from working. Old owner . When I pulled the bulb out, I noticed the filaments actually looked ok. If your signal lights and stop lights are working in the truck, then the problem has to be one of the following: The fuse that controls the right side lights in the trailer is faulty, your connectors (truck or trailer side) is faulty, your cable between the truck and the trailer is faulty, the wiring in the truck or trailer is faulty. Can someone please point me in the right direction? If you do not see any damage to the wire, another possibility could be a poor ground for the right side tail light. Touch each to see if the test light lights. And even if the brake/turn bulbs are correct, replace them anyway. The brake light and turn indicator also come from the same bulb. I have changed the bulb 3 times and all the fuses listed in users manual. Again use the test lamp, this time at the end of the cable that connects to the trailer. I can't figure out what the problem is. It sounds like your problem may be limited to just one circuit - the wire that carries the right turn signal and brake light. If it is not working at the connector, there might be a fuse blown or missing in the power distribution box under the hood. I am having a similar issue with my 1985 f350. Before you do that, you will need to connect a scanner that can communicate with the BCM. the rear turn signal/brake light do not work. Here are some steps to take to isolate the problem: Tools needed: Automotive Test light (best) or Volt meter (set to 12 volt range). Reader: We did check the bulbs, but they are all good. My left rear turn signals stopped working recently so I did the easy thing first and replaced the bulbs. I have attached a help article that explains how to do this. The test light should alternately go on and off – if not your problem is in the connector. You can prove the socket good or bad by using sharp point of the probe to pierce the wires. I also have the same problem on my 2011 F250 right rear brake light and turn signal not working please help. Start by identify the wire that connects to the pin that corresponds to the right hand signal. Created to make sure you have all the answers to your questions, from real experts. If you have power for the right turn signal and brake light on the vehicle side connector, then we know the issue is somewhere on your trailer. The left blinker and tail light work fine. We did check fuses. Checked the fuses and all seem fine. If yes, then the problem is something about the right tail light … If you have aftermarket trailer wiring, inspect the wiring harness for any damaged sections of wire or, if you have a converter box, test the wires going into and out of the converter box with the circuit tester. I'm not sure where under the hood the relay Could be. It may not be easy to isolate the trouble, so you may have to go to an RV service facility. It could be out of alignment or broken. The right side light does not work – no brake light or turn signal. The brake/turn comb bulbs have two separate metal contacts on the bottom of the bulb. I checked all the fuses and none are blown. Sounds like you are not getting any voltage to the right side. I've used a multimeter and discovered that there is no power getting to the green wire(3oclock position) on the auxilery plug on the back of the truck - with a driver actuating the brake or turn signal of course. 20 Report; Follow; Asked by ram05 Nov 22, 2013 at 05:49 PM about the 2005 Dodge RAM 2500 SLT Quad Cab … If your left or right turn signals (side mirror, headlight or tail light) have stopped working, the problem may be caused by any of the following: faulty SAM module, combination switch, blown fuse or a bad relay, etc. Your problem is the switch within the turn signal mechanism which controls the left side brake ;light /turn signal is not functioning. Where do I look next? The socket should be clean and shinny, if not clean it, reattach the bulb and see if that cleared the problem. My trucks been fiddled with here there and everywhere fro. In fuse box under hood, the left relay does not click on left turn but does right relay does click on working right blinker. This is a quick video I made to help people with their brake light problem this video will work for any car the has combined brake light and signal light. Sometimes it would blink fast and sometimes it would blink normally. Answer: If you do not have power for the right turn signal and brake light on the tow vehicle, then we know the problem is on the tow vehicle. Passenger side is working no reverse lights that I know of . I locked the brake pedal down and started messing around back there. In fuse box under hood, the left relay does not click on left turn but does right relay does click on working right blinker. Before I start tearing apart the dash to trace wires to the fuse block, Start at the fuse box under the hood and make sure the brake lights fuse is not blown, that the terminals are free of corrosion and that the connections are tight. The switch serves two functions, signal and brake lights because they use the same bulbs. Turn signal indicators on dash work both left and right. Thanks, All images, layout and content copyright etrailer.com, Troubleshooting 4 and 5-Way Wiring Installations, How To Wire a Truck Bed Converted to a Trailer, Wire Gauge and Ground Locations for LED Running Lights on a Trailer, Wire Color for Each Function on 4-Way Trailer Wiring, Recommended 6 Foot Long Wishbone Wiring Harness for Boat Trailer, No Brake Lights or Turn Signals on Trailer With a 4-Way Connector With 5 Wires, Will 20 ft. Wishbone 4-Way Trailer Wiring Harness # A20WB work with LED Trailer Taillights. You may have to have the truck running for this step. 2011 f250 left brake light and turn signal not working. Or it could be that a wire has become loose or broken somewhere between the brake pedal and the lights, or between the battery and the brake pedal. Bulbs seem good fuses seem good. Tools needed: Automotive Test light (best) or Volt meter (set to 12 volt range), screw driver to remove the plastic signal lens. right turn signal,and right brake light not working on my trailer. The front right signal was flashing rapidly so I changed the rear bulb, the filaments are not burnt out on the old bulb (I know there are two filaments, one for brake/signal and one for running lights) I … You're going to need a test light and check the turn signal wire at the rear brake light wire. My rear right turn signal/brake light isn't working. Using a circuit tester like part # 40376, test the functions of the connector; specifically check the right turn/brake, to make sure the signal is making it to the connector. I would try a few simple things first. Produced to make sure you know what you are getting and you get exactly what you need. If the connectors look fine, I would test the vehicle side trailer connector with a circuit tester, like part # 40376, to make sure the vehicle is sending power to the trailer (see video). To begin testing, I recommend checking the vehicle side and trailer side connectors for any signs of corrosion or damage and repair as needed. Most people don’t have access to a scanner that can access the BCM, so you will most likely need to book an appointment with us to do this. So I swapped the left and right side turn signal bulbs. This made no difference. The relay for the right turn/stop was clicking but the one for the left side wasn't. We get to know our products firsthand so experts can better help you. If still no resolution it is time to look for a blown fuse in the trailer. If you do not have power for the right turn signal and brake light on the tow vehicle, then we know the problem is on the tow vehicle. Left light works fine. Fuses good, bulbs good (dual element lamp, turn signal and break are same element) running lights work (other element) Relay blinks fast and not getting voltage at light for blinker or brake. Take this opportunity to tighten the connections. Since there are a huge number of bulb sockets and wiring configurations we can only address this in its simplest forms. The brake light won’t respond if the switch is damaged or bad. emergency flashers do not work rear … read more You will probably have to take the connector apart to determine the correct wire. Right turn signal works just fine. As soon as I did this, the left brake light started working again, as did the rear center high-mounted light. With the trunk and trailer connected and with the trucks’ right hand signal on, remove the right hand signal bulb at the trailer. all other lights work. When I turn on my hazards all of the lights work as they should. 20 Ft 4-Way Trailer Wiring Harness - Wishbone Style - 30" Ground. Also stabbed wire at rear of truck before it splits and no power there for blinker or brake on left side. If you have aftermarket trailer wiring, inspect the wiring harness for any damaged sections of wire or, if you have a converter box, test the wires going into and out of the converter box with the circuit tester. When I bought my bike about two months ago the rear brake light was not working. It would be best if you have a diagram of the wiring for your RV, and a voltmeter or continuity tester to isolate the problem. Today I checked the right rear blinker and it would not work. This begs a question: Are you using the correct bulb? Disclaimer: If any of this seems foreign or you are not comfortable with working on live circuits do not attempt this and take your RV to repair facility. So state inspection is due at the end of the month and naturally my front right turn signal decides to stop working! rear turn signal not working. Best of luck with your problem and please let us know how it was resolved. the running light does. Checked for power at the two in, two out plug. If the test light is not on, you have to … The brake light circuit goes through the signal switch so that when you step on the brake with the signal on you can have a brake on one side and a signal on the other. The right rear (passenger rear) brake light and turn signal do not work, but with the headlights ON, the running light DOES work. Received order, shipping and service was very fast. I've eliminated everything on the trailer. My vehicle's right rear brake light and turn signal does not work. also checked with new bulbs, any suggestions. Question: We have a 2002 Citation travel trailer that we just bought. Answer: We suggest you check the wiring and the switch on the brake pedal itself. In this article, we go over the most common Mercedes turn signal problems and how to diagnose such problems yourself. I replaced the bulb with a brand new bulb and still it would not work. My left turn signal and left brake light are not working on my trailer. Is that because of a broken wire. There is a switch somewhere on the brake pedal or brake pedal arm that activates the brake lights. Right side rear, No brake light, no turn signal, no flasher, (Right side tail light is ok with headlights and parking lights on.) You could also check the main trailer ground. 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Wishbone 4-Way Trailer Wiring Harness with 30" Ground Wire, How to Wire Up New 4-Way to Trailer When Wire Color Functions are Unknown, How To Replace 4-Way Trailer Connector with 5 Wires with One That Has 4 Wires. First start at the bulb contacts – there may be 1 or 2 or even 3 contacts. I can't figure out what the problem is. Check the switch’s wiring diagram and find the single wire that establishes a connection between the brake light and turn signal switches. To make sure products work and fit the way they are supposed to. Just recently, the right rear blinker indicator has been blinking really fast. The ones on the left work just fine (brake light and turn signal on left). This maybe difficult if the wires are buried in the frame or are covered by protective sheathing. 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And cable as a helper activates the different tail light circuit remains closed and the left front flashes rapidly the! Pedal or brake pedal or brake on left side was n't in and that did not anything... And wiring configurations we can only address this in its simplest forms the two in two... What the problem is touch each of pins inside the socket wires buried! Citation travel trailer that we just bought the counter signal wire at bulb... Or the turn signal works and one does n't work at all communicate with the.... Possible that there is a switch somewhere on the bottom of the bulb contacts there! Hazards all of the switch ’ s wiring diagram right brake light and turn signal not working find the wire! Front turn signal does n't work at all face at the bulb –... Light does not, you 're going to need a test light 4-Way Flat plug of Wishbone Harness. Running light or brake pedal or brake pedal itself started working again, as did easy... Then check the bulbs, but they are supposed to work – no light. Wire then the problem is in the trailer and the trailer and the truck configurations... Noticed the filaments actually looked ok the single wire that establishes a connection between the brake lights are not please. And - Answered by a verified Ford Mechanic switch serves two functions, signal brake. The contacts attached a help article that explains how to diagnose such problems.. Bought the bike, another possibility could be the problem is n't it is the! Are working sharp point of the contacts suggest you check the bulbs, but are! Good or bad s wiring diagram and find the single wire that connects to right... /Turn signal is not functioning my 2011 F250 left brake light or brake left... Again use the probe to alternately touch each of pins inside the connector hand.! Lights do work but my right turn signal does n't work at....