9. If you want a reliable LED string, then you don't want a string of LED's without a resistor. In this case you don't want to match the 24V just by LED voltage drops. It'd be much better to use 6 LED's and a say 18 ohm series resistor to limit the current. Load resistors can be required for LED lights when the vehicle wiring is unable to recognize the light's presence due to its very low power draw. Standard incandescent bulb lights draw more power and so they are more easily "seen" by the wiring harness. Load resistors like # DI34ZR drain away some power and so they mimic the characteristics of I had to change my front turns signals at the last minute, because my old ones wouldn't fit my new fender flares. I haven't researched these issues at all, and I'm busy working in the rain trying to get my lift finished. I'm being lazy and just asking what is probably a redundant question. I Do Led Turn Signals Need a Resistor? LED turn signals do not need a resistor as they are low-voltage signals. However, if you are using an LED bulb in a traditional turn signal housing, then you may need to use a resistor to prevent the hyper flash. Can I Put Led Bulbs in My Tail Lights? The answer to that question is yes; you can put LED bulbs A driver is a device that goes between your vehicles wiring and the LED headlight bulb. It gives the LED headlight bulb the type and the amount of electricity it needs to power up. If you didn't have the driver, nothing would happen. The plugin that looks like your original headlight bulb is attached to the other side. Next, find the ring screw at the bottom of your current headlamp. You’ll need a Phillips head to remove this screw; do so and set it aside. You should see a tab on the housing ring. Use this to rotate the ring about an inch counterclockwise. Remove the headlamp housing ring and set it aside. The previous owner converted the low beams on my 2012 to LEDS, but I got LED bulbs for the fog lights ($30!) and LEDS for all of the interior lights and plate lights! In the end maybe about $60. Def recommend. The low beams typically run $39-$60 but you’d need the little plastic pieces to keep them snug in place, about $9. Headlamps are part of the automotive lighting system of your vehicle. If you are thinking about upgrading your stock equipment, you might be wondering about the differences between HID vs. LED headlights. We will perform a complete HID headlights vs. LED headlights comparison so that you can find the style that suits you best. Hi all, I need some advice on which resistors to use and where to put them, on a LED circuit to put head/tail lights on my Scalextric Digital Car. For example: If I was creating a guide, something like this, with pictures, would be great.. 1. Using two 3mm (1.8v-3.4v) Red LED's - Solder a RED wire on the +ve of one LED, then solder the -ve (of You can do the same tricks with using diodes to drop the voltage to the motor that they do with constant lighting using light bulbs - like most Proto 2000 locos - however the LED is over twice the voltage of the 1.5V light bulbs they use, so you end up with a loco that works like most sound locos on DC - turn the knob over half way before the 2r82.