Which light are you refering to? The actual side marker? If so, when you do this mod you'd have to tap into the 3 wires on the main signal, and not use the 2 wires running to the side marker. Like you said, the 2 wires switch grounds, which is a no-go for LEDs
Like I said, the resistor is to get the LED to light at half power for "running light". If you are trying to hook up the LED on the side light (the one with only 2 wires) you have to run a ground wire and wire it per the diagram.
Well my LED turn signals for my tube fender project came in the other day, and I got bored so I made the 2-3 wire converters today.
The converters all heat-shrink wrapped.
I will be powering one triangle light and one circle light off the same converter on each side, so I went with 3 amp 400v diodes and 1 watt 100ohm resistors. Works perfect! Been running the lights for about 2 hours on "running light mode" to test how hot the resistors get. Not even warm. Also modded my flasher relay, but it's still a bit fast so I think I will just get the EP-26.
I'm still trying to find 2nd box. I have a jeep tj 1997 2.5 I decided to keep only be 3 wire setting. I only have a 2 inch led bolts for the front grill. Bought a ep27 I can see the black box with the wires connected to a fairly larger than the ep27 box that I have. This box is screwed to the steering column. Are this the 2 boxes??? One with cables that connects to the other one??? If so once I unplug the box with cables and attached it to the ep27 flashes are not working
Just wanted to say thanks to the OP, I followed the original post to the tee, on my 97, and besides having to swap the green wire with the striped wire when connecting to my LED harness, it worked perfectly. I now have good blink delay, and running light function out of a 3/4" LED.
So I've done the conversion but kept my stock bulbs incase I ever went back and I like my led fronts... Is there a resistor I can add for the stock bulb or fake out the bulb? When I pull the bulbs it gets all screwy...
I did this today with all the same part numbers and unfortunately didnt work. Im using 2" round leds I got from super bright leds and no marker lights on the side. Got rid of the extra 2 wires and soldered everything together the exact same way. When the blinker is on only 3 out of the 7 leds light up and then when I put on my headlights all the leds light up but they no longer blink. Anybody have any ideas? Im think I need a different resistor but im not sure which size to get.
thank you for posting this detailed install for LED lights...i had a shop install led lights and totally messed everything up....after i seen your post went to Radio shack got supplies and followed your directions carefully....this was the first time i ever soldered anything and it came out fantastic....all wired are clean...parking lights work...directional flash at popper speed and i don't have white bulbs connected under my hood with zip ties as the shop sent me out after paying $$ 4 nothing...thanks again
I spent some time deciding on how to do this when I removed my fenders recently.
I ended up just connecting two LEDs to the old wires cross wiring them.
One is the turn signal without lights on and the other is the side markers with turn signal.
I'm happy with it plus I get some cool lighting on the tires!
Not really 100% effective as a side marker as it is set back but if your next to me you can clearly see it.