I know alot of you have read many of these and I have searched and pages apon pages of threads have come up. Ok anyways I am having a problem with my ECU freaking out cause of my LED lights. When they are hooked up I cant push the pedal past half way. I have no power. I know some people have fixed this with adding an inline resistor. I read someone used a 3 ohm resistor on each side to fix it. I need to know what size resistor,which wire and what way to face the resistor so I can fix my car. It does work normally when I hook up my stock ones.

 

are referring to the led rear taillights?

 

Really weird.

What the load resistors are suppose to do is present a current draw to the computer that monitors your bulbs. LED's draw so little power that the computer assumes that the bulb is blown and does a rapid blink mode where the turn signal operates about three times as fast as normal. If you're replacing either the front or the back lights alone you use a 6 ohm resistor, if you're replacing both front and back you use a 3 ohm. Be aware that they get pretty darn hot - hot enough to melt plastic and insulation if mounted touching.

What you're saying is that if a car blows a bulb that the ECU will go into the limp home / half throttle mode. That wound end up costing Nissan millions in the first handful of law suits from accidents caused as a car on the freeway decelerates from 70-80 mph down into traffic causing death and destruction.

On my '05 I only got the fast blink mode on the turn indicators. I would assume that your ECU is blown or mis-programmed to create this suicide or kamikaze mode. The first time you blow a bulb, fuse, or come up with a loose wire in the turn indicators you're going to be in extreme trouble if you're in traffic.

 

Not to refute any of your information, Paul, but he's referring to aftermarket LED tails. This doesn't happen with genuine nissan taillights. It's a known problem with aftermarket taillights pulling too much/little/whatever current which causes the ECU to freak out.

Jamez, have you thought about going with Nissan taillights? Not sure what your aftermarkets look like, but if they are in any way similar aesthetics wise I'd just spring for the '06-'07 ones that don't break your car.

IMO, it isn't worth it to even troubleshoot... just get rid of the aftermarkets.

 

I would but I am in a car club that shows all the time and some of the cars that show already have the 06 and up LEDs and the JDM ones too. I have the DEPO which light up in a Z pattern only one other car has them I show against and that is a sponsored car. I like to stand out and alot of people said with my veilside wing it looks good on there cause the buldge isnt noticeable. I already have these lights here at my house and dont have the money to get the newer LEDs. Id rather use what I have than lose money and spend more to look like half the car population around me.