The price on the site includes two, you know you just ordered four of them right![]()
Crap, I thought it was a price per bulb too, thanks for clearing that up.
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The price on the site includes two, you know you just ordered four of them right![]()
I got my 1157 bulbs, they are bright however are not optimized for the type of lens we have on our vehicles.
So not as good an improvement as the 1156 reverse lights.
Better than any other led brake light I've had but not ideal.
Anyway, I bought mine from aliexpress.
Link: Wholesale Free shipping 1156/Ba15s CREE Q5 5W High power Led Car Reverse Light
The price on the site includes two, you know you just ordered four of them right![]()
Super bright LED reverse lights!!!
Tonyrific,
Many thanks to you and all who posted info and pictures. I ordered the bulbs last week - they came in today - installed them in about 10 minutes - fantastic backup lights! I am thrilled
Awesome - THANKS![]()
I have radio static only when in reverse after installing these.
Would dielectric grease on the bulb contacts help?
Can't believe I missed this thread. The RFI issue could get sucky. But in my 60 I don't have a radio so![]()
I gave been selling the 5w CREES for the 80s for a couple months with zero complaints thus far. They are the ones with the red metal heat sinks. I am stateside and I offer great support if you should run into any issues with them. In other words you would be dealing with a fellow mudder and should you have a problem, you don't have to ship faulty products back on your dime. Check my sig for details.
- Sent from a very small supercomputer.
RFI will depend on input voltage and output voltage (and current flow). Basically depending on the switcher IC design and the frequency it operates at and how well the circuit is filtered at the input and if a shielded inductor is used and and and....
i.e. lots of variables can affect how much RFI is created AND what the energy levels are at different frequencies. Then we can add in the variable of the signal strength of the incoming radio signal that you are receiving on your radio. You could have say a strong AM station and all will be great, drive further away from the station and as its signal level drops, the background RFI will become more noticeable.
Obviously with a reverse light the effect will only be 'heard' when in reverse... With a brake light it could be heard everytime you press the brake pedal. And so on...
Pretty well all these units that you see (the ebay one, the one from the OP and the Mud guy) are made in China/Asia. I doubt the design goal of any of these units was to meet FCC RFI limits etc
Finally, there are no 5W crees.... LEDs are current devices, you can run the XPG Crees at up to 1.5A WITH ADEQUATE heatsinking.
Anyhow, in summary, the units with switching regulators in them (basically any of the high power units that aren't just a bunch of cheap LEDs with a series resistor as the current limiter) will generate RFI. How that affects your radio reception depends on other variables - such as local radio signal strength, antenna location, wiring etc etc.
I don't listen to radio either, so it's not an issue for me, I prefer my ipod/mp3 etc. Where I do care is using my Ham radios and for those it's only a 'momentary' issue while the lights/LEDs are on and again depends on the signal strength of the station I'm listening to.
cheers,
george.
So what can we do about the radio interference?