Okay here's my diagram, i need to replace the relay in the diagram with something else... i'm not sure what though? nothing inside the box i've drawn can be modified. A is a constant ground that reads resistance. B is a switched ground that switches somewhat rapidly (so the relay is not the best choice). supply voltage is 12 volts. A needs to read ~4.2kOhms when B is closed and 420 Ohms when B is open.
**broken link removed**
what do you think? is a solid state relay a reliable choice? or is there another way to do it using different components? just for curiosity sake im more interested in a way of doing it without using any kind of relay. thanks for your help![Smile :) :)](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
Edit: heres more detail my car has a solenoid that opens vacuum pressure to a diaphragm that controls a butterfly valve in the factory air box silencer. theres a sensor on the valve that reports to the engine computer weather or not the valve is open. i have an aftermarket intake so i removed all of the components related to the factory intake but now it throws a check engine light because that sensor is not there. "B" is the ground for the solenoid, switched on or off inside the ECU and "A" checks resistance to determine weather the valve is open or closed. so i need to use B to some how change the resistance on A. i made a prototype that worked using a relay but the problem is it clicked every time stepped on the gas or let off. annoying.
**broken link removed**
what do you think? is a solid state relay a reliable choice? or is there another way to do it using different components? just for curiosity sake im more interested in a way of doing it without using any kind of relay. thanks for your help
Edit: heres more detail my car has a solenoid that opens vacuum pressure to a diaphragm that controls a butterfly valve in the factory air box silencer. theres a sensor on the valve that reports to the engine computer weather or not the valve is open. i have an aftermarket intake so i removed all of the components related to the factory intake but now it throws a check engine light because that sensor is not there. "B" is the ground for the solenoid, switched on or off inside the ECU and "A" checks resistance to determine weather the valve is open or closed. so i need to use B to some how change the resistance on A. i made a prototype that worked using a relay but the problem is it clicked every time stepped on the gas or let off. annoying.
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