Doesn't work that way, the voltages do not add up. When the Ignition is ON diode D3 blocks the 12 volts from the map lights.Because if im right, if my map lights are on and ignition is on voltage that is going in to the led strip is about 24v and my led strip is rated for 12v.
Not sure what that means but the negative side of the LED strip should be connected to the negative side of the battery which is usually chassis ground.I dont know if matters but my leds are grounded to - from map lights
Do you mean only able to turn on when the headlights are on? Or to be constantly on whenever the headlights are on, and still switching on when the door is opened? OR switching on whenever the map light is manually switched on?My headlights are turning on only at night via sensor on windshield. I want led strip to work like map lights but i also want them to be turned on when headlights are turned on
OK, then you can use two diodes rated for the light strip current plus an adequate amount more. at least 5 amps, ten amps will be better. One diode feeding from the map lights feed, and one diode feeding from the headlights feed, like D2 and D3 in post #27, but without the relay. That should achieve what you want, UNLESS the control computer decides that there is an overload and goes into some system fault mode.Yes i want them to be constantly on whenever the headlights come on and still switching on and off when i open and close car with key
The relay is required because the Day Light Running Lights are also in the mix.OK, then you can like D2 and D3 in post #27, but without the relay..
Do you mean you connected the negative side of the LED strip to the chassis?I now tried it to wire ground to the chassis and then leds are constantly on even if i lock the car.
|Thread starter||Similar threads||Forum||Replies||Date|
|Dyson dc01 hairdryer. 3 red flashing lights then stops working.||Technical Repair||0|
|B||Outdoor patio railing lights||General Electronics Chat||4|
|Led lights change temperature from on/off switch (Color temperature)||General Electronics Chat||18|
|T||USB Powered LED Lights Emitting High Pitched Noise||General Electronics Chat||8|
|L||LED STRIP LIGHTS WITH MOTION SENSOR||Analog & Mixed-Signal Design||11|
by Dale Wilson
by Jake Hertz