The second necessity desires one more lamp which might be placed as a side marker lamp to react to the above side indicator or the turn signals but flash with an opposite switching. I am also the founder of the website: https://www.homemade-circuits.com/, where I love sharing my innovative circuit ideas and tutorials. Also I will like to know what will happen if I change the value of the two resistor. For this reason, when the turn signal lights are operated, the daytime running lights function is interrupted momentarily, which, however, will be brought back into operation as soon as the turn signal is switched off. Automotive LED Driver Circuits – Design Analysis, Car Head Lamp Fader Circuit (Breathing Effect Generator), Understanding Motorcycle Voltage Regulator Wiring, How to Make a Bicycle Horn Circuit with Ringtone, Small Signal Transistor(BJT) and Diode Quick Datasheet. We are only concerned with the turn signal function. However during night time, the positive line of the side marker would have no positive supply, in this situation whenever the relay would be activated in response to the turn signal pulse, the TIP127 also being activated (via base 10k resistor) would pass the positive from the turn signal feed to the side marker via the N/O contact of the blinking relay....this would make sure the side markers yet again blink as proposed in the above request. Left LED Fender Side Marker Light Turn Signal Light Lamp Replacement for BMW E46 2001-2005. They do not blink.The front and rear lights LED bulbs have dual function: two circuits One line controls night / on and a day / off. The relay is simply switched on by the power to the turn signal and that in turn powers (or interrupts) the other light(s). On some early cars, you must turn the key in the ignition for these to work. You can visually inspect them by looking into the front fairing, to the sides of the headlights. Turn on just the marker lights and remove the marker bulb and using a meter determine which wire has 12v. Attach the YELLOW wire to the bulb positive. A quick and cheap way that works just as good is a tail light wiring converter for trailers. Can you please help me with this circuit design and parts list. 16 LEDs. yes that's' possible, reducing the 470uF to some lower value, say to 220uF or 100uF will correct the issue. I have a project that is slightly related to this one and could use your help. HOWEVER, I have a 91, so … I'm using premade 8 LED lights as marker lights. And wrap it back up with electrical tape: Simple, clean, doesn't require any additional wire, and doesn't look at all different than original. $19.98 $ 19. The TIP127 in this situation would have no effect on the N/O contact of the relay due to the positive feed at its base from the side marker supply. Partsam Pair 6" Amber Side Front Marker Light Turn Signal Light High Low Brightness Sealed, 20 Diodes, Trailer Clearance and led marker lights, 6x2 Rectangular Rectangle led lights, 3 Wires. Should be ok? After changing to an LED compatible flashing unit, everything is working correctly. One circuit is for marker lights and tail lights. Is there a way to wire the side marker lights on my '68 to blink when I turn the turn signals on? I am an electronic engineer (dipIETE ), hobbyist, inventor, schematic/PCB designer, manufacturer. Connect all of the wires according to the new wire configuration. Works perfect.Thank You for all your helpJon. I am not a brain when it comes to circuitry but I have done some simple tasks with relays and am good with a soldering gun. The YEL is the power wire. I'm all about safety! It would depend on how they are put together and/or how handy you are with mods. I can change the wiring and add in a relay (much like shown above) but was just wondering, if the side marker lights are smallish LEDs and only drawing 50mA, is there no way of making them work without using the relay? On the driver side and passenger side, the front side marker lights both use a YEL & WHT/BLK wire. This system makes use of the turn signal lights as daytime running lights. Any ideas? Only issue I'm seeing is marker light recovery to on. The circuit taps into the blink turn signal line to determine when it is pulsing causing the car's turning light to blink. Pull out the side marker and disconnect the bulb socket from the side marker: twist and pull. The project is to create two identical circuits for the car's left and right turn signals. 4.4 out of 5 stars 68. Step 5: Route the wires from the side mirror all the way to the front engine bay and tap the wires to the front turn signal light, the front side marker lights on the fender, or the mirror assembly turn signal (if so equipped). The circuit will then blink the corresponding front LED Side Marker. Would a smaller resistor or capacitor help lessen the fade in time? OK great, in that case you can consider of changing the TIP127 with a smaller transistor such as a 8550 or 2N2907 for making the design more economical and compact, I tried different combinations of capacitors and resistors which helped. I am trying to use this circuit to make my side marker lamp to flash on and off when the turn signal lamp are activated. Giving it enough time to not effect the blinker and an instant on to marker light. If it discharges to fast the marker starts turning on before the next blink. First start off by finding the positive and negative wires for both the turn signal and marker light. 2- have the front side marker lights also be a turn signal light. This will explain how to flash the front marker lights on an 05 Sport with the turn signals. And finding the right sized light bulb to fit into the side marker light housing may be a little hard. Hello, you can possibly try the following idea: Take another TIP127 BJT, connect its emitter with the emitter of the existing TIP127, base with the collector of BC547 through a 10K resistor, and then use separate diodes (1N4007) with the collectors of these two TIP127 such that their anodes go to the respective collectors, and the cathodes join together and connect with the side marker LED's anode, while the cathode of the LED goes to the ground, I hope you understood the connections…. Would you please post the "enclosed chart" which Mr. Jerry Klien is referring in his request. 1. I'll assemble it tomorrow and give it a try. The driving lights are dual filament 1157 and the side markers are single filament 158. Blinks as correctly. you can try connecting a 1K resistor parallel with the side marker lamp and see if that discharges the cap quickly…. Had I known about your before I could have saved money with your circuit design. It may be possible to modify the turn signal by exchanging the single-element bulb socket with a two-element socket. From +12vdc wire to light then to battery ground. So pin 30 of relay to ground. The circuit taps into the blink turn signal line to determine when it is pulsing causing the car's turning light to blink. We use cookies to ensure that we give you the best experience on our website. Technical Specifications. I have a 1990 automobile which I believe does not have very sophisticated circuitry controlling the direction signals /driving lights and side markers. More curious than anythingH. Click below for the diagram. Basically leave the power as is, and take the ground, snip it, and wire it to the turn signal. 0 Reviews. The previously indicated relay coil along with the diode will no longer be required and could be eliminated, and the collector of the BC547 only hooked up with the base of mentioned TIP127. What are side markers? Turn signals on either side of the vehicle can be wired in series, much like the bulbs on a strand of Christmas tree lights. Previous: Automatic PWM Door Open/Close Controller Circuit, Next: Soil Moisture Sensor Meter Circuit with Automatic Water Sprayer. Installing the lights along the skirt of the trailer was as easy as anyone could hope for. The front marker/turn signal light is hard to see in the large photo so I included the inset. On the V-Strom, the left and right turn bulbs each have two wires. As Abel Labour stated earlier it does flash out of time. Now if the turn signal lamp is switched ON, the relay driver BC547 would start pulsing in response to the acquired signals from the turn signal source. On Sale (91) Color. I would also like to connect up my rear side markers another 158 bulb to the same circuit. Also the same lamp is also expected to light up when the park lights are ON. When you cut the side marker wire and connect it to the blue wire, it essentially is like extinding the brown wire to the other lights to share the same ground as the fog and turn signals. But was unable to get the instant one and off I was looking for. If you are using a regular bulb, you could have done the floating ground method. Since it uses the turn signal input at night, it turns off when the other lights turn on. HelloStumbled across this thread doing a little research as I consider changing my car lights over to LEDs. I just finished changing my marker or parking lights into a combination of marker and turn signal. Thanks to @GMcGee for bringing back an old post, then confirming that it could be done EASILY, and without complications. So, if you wire your side lights to blink, they will also come on with your brake lights. Cut the other wire that is going to the turn signals and run it to a ground connection. By moving the signal to the marker light. The DeLorean has two taillight assemblies, one on each side of the car. Required fields are marked *. Attach the RED wire to the marker light source positive. Brake lightsare the two red lights on each side that flank the the central red marker light, and are illuminated when your press the brake pedal. I love they way they work and would like to convert them with my modification to LEDs. Notify me via e-mail if anyone answers my comment. With the second relay the capacitor was to discharge enough to release relay. Your design is quite simple and straight-forward, it should definitely work.Let's see how Mr. Jerry gets it working. Please add a couple of 1N4007 diodes in series with the LED positive line and check if that solves the problem…. Thank you. The advantage of front marker lights is that it identifies you as a motorcycle from the front at night instead of a car with a headlight out. There is a faint glow of the LED lights. Does he mean the side indicator lamps with LEDs? OK thanks, I am glad it's now working for you as per the expectation. I've done it on several … I had the thought of actually moving the signal to the marker light, but I wasn't sure how to go about it or if it was possible. This should work in my favor when converting to LEDs. Waterproof trailer light functions as both a side marker light and turn signal.Amber polycarbonate lens. Hand-Sanding Flat Surfaces Aluminum Base and Comfortable Wooden Handle, Car H4 9003 1.5'' LED Mini Bi LED Projector Lens 60W Hi/Lo Beam LED Headlight, Participate in all Tacoma discussion topics, Communicate privately with other Tacoma owners from around the world, Post your own photos in our Members Gallery. I have looked through your blogs and have not been able to find the exact solution. I am finding it bit difficult to understand his request. Marker on after blinker is turned off it fades in to full brightness. I assemble the circuit today. Right side - Green wire (blinker) and B/W (ground) Left side - Solid black wire (blinker) and B/W (ground) Discussion Starter • #1 • Nov 5, 2015. 2. There are 2 wires going to the side marker light. Both the lamps will flash in sync according to the design, can you tell me why do you think it won't? marker lights as turn signals - First let me say hello to everyone. The following figure shows how to modify the above car side marker further such that it always flashes in accordance with the turn signal pulses: The 470uF makes sure that the PNP TIP127 remains completely disabled while the turn signal is operating. I can buy the required parts and wire them up as directed. The reason this simple mod works is that the fog and turn signal share a ground. Lol It took a while to figure out the wiring, and I'll make a cleaner design tomorrow. If one goes bad, or it isn't properly grounded, it can affect the corresponding light on the same side. On the trailer side, use the other side of the 2 pin connector to run to each side marker. The yellow wire on the input side would tap into the left turn signal circuit, the green wire would tap into the right turn signal circuit. Long time lurker here. Disconnect the Negative battery cable. The skirting is totally cosmetic and the underside is completely open. It's wired from the factory (GM) such that the front side marker lights flash with the front turn signals and opposite (ground reverses) when the running lights are on. I am using LED light bulbs. Enhancing Car Turn Signal Lights, Park-Lights and Side-Marker Lights. I think this modification will work but I would like to have your opinion. Robert S Remove the two screws holding the side marker in place. Sam-o for the right side. I could not figure out how to join your blog and therefore this email.The enclosed chart represents the current wiring configuration of my car. Your email address will not be published. I wanted to have my 100W  7 amp fog lights work off a dimmer so that I could tune them in to the exact lighting requirements. I purchased a boat dimmer unit that could handle the current which worked with a taping pulse switch for on off and hold for cycling  brightness. I completed this project. Just wondering if someone could tell me how to wire my marker lights to run with my blinker. I will like to have everything flashing at the same time and I am wondering if I can connect the turn signal light bulb at the point 87 of the circuit. As per the requirement, the existing side marker lights which are designed to stay ON during night and OFF during day are expected to blink in response to the turn signals lamp switching. I quickly realized that this will not work because the light bulbs are working with reversing polarity and therefore I will need a more managed solution. Ram, no modifications would be required in the circuit, for the LEDs just use 2 LEDs in each string without any resistors. Step 4: Before installing the mirror into the vehicle, test to make sure the LED does light up properly and show through the mirror lens. Is there a way to have it turn back on after voltage reaches a certain threshold of approximately 10 volts or higher. by Bob Caruthers Here are the steps: I have updated the diagram, please check it out. A wire will be run from the front LED Side Markers to the rear LED Side Markers giving them the same functionality. This circuit receives constant power for brake lights and pulsed power for turn signal. Mission completed!! :D The other circuit does both turn signal and brake lights. There are plug in kits available to convert signal lights to dual elements, but maybe not for the Intruder, but one could be spliced into your harness. Get it as soon as Tue, Dec 29. The circuit will then blink the corresponding front LED Side Marker. (The diode across the coil could be eliminated if that line was still needed)Thx, for this new design which will use only BJTs and no relay, the BC547 collector will connect solely with the base of the second TIP127 through a 10K resistor. Looks like it would work great. Check for damaged or burned-out bulbs in all turn signals on that side. Last Updated on August 6, 2018 by Swagatam 28 Comments. A wire will be run from the front LED Side Markers to the rear LED Side Markers giving them the same functionality. If your vehicle has a 2 wire system which uses the same bulb for the brake and directional signal, you would need a vehicle to vehicle converter, part # 118158 installed on the trailer. X 17 in. This pulsing would alternately break the positive line of the side marker causing it to blink. I cut the side marker's ground wire and reconnected it to the  turning signal lead off the direction signal /driving lights. I've gotten a ton of extremely useful information from this forum and I am extremely grateful to everyone sharing their knowledge. I tapped into the wiring for the tail lights for the rear and middle turn signals. 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