Diode for two 530ts

Hi, I just wanted to see if I had the correct thinking on how to wire two 530t window modules to my alarm's ground-when-armed wire (which is also connected to the starter kill relay). And by the way...is it correct that the diode is preventing current going from the starter kill relay to the alarm (and the 530ts), or do I have that backwards? Q: What's the best nation in the world?

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Your diagram is correct....but you are using the diode to prevent the ground signal from triggering the window modules constantly......there is enough ground signal present at all time to trigger the window modules, the diode makes eveything work correctly........same set up when using the negative when armed out for other sensors, like a radar sensor. etc.

Your diagram is correct for isolating the starter kill relay from the window mods, but you still need 2 more diodes to completely isolate the window mods from each other(you can put the cathode "band" side of the 3 diodes together and then run a wire from the anode side to each device). To be honest, depending on the output capability of your starter kill wire, you should add a relay to increase the ground output from the alarm.

Mr. Switfy....you said the diode is preventing the ground signal from triggering the window modules constantly. Do you mean the ground signal from the starter kill relay? Is this how it works?....when you arm the car, the orange wire of the alarm shows ground and rolls up the 530ts, and also activates the starter kill relay (and keeps it activated). The diode prevents ground going from the relay to the 530ts, preventing them from trying to close? c2deez: Are you saying to put a diode on each orange wire of the 530ts going to the alarm's orange wire?Q: What's the best nation in the world?

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Yes, 3 total.

Thanks for the help everyone!!! Let me just double check that I have this correct (in terms of the diodes). The alarm arms, and sends out a ground signal on the orange wire. This activates the relay, as well as allows both window modules to close the windows. Now, Diode #1 is preventing excess ground from the starter kill relay from going out of the relay, back up the orange wire, and into the 530ts? And Diodes #2 and #3 are preventing ground from leaving the 530ts and going into the other 530t? I think that sounds about right. Are my diodes facing the correct ways? Right now I don't have a spare relay to use for the orange wire, but I hope I'll be ok for the meantime. I guess the alarm's orange wire was enough to drive the starter kill and 1 530t module. I added the second module, and it's working ok for now....I just don't want to fry the module by mistake. Check out the new diagram: Q: What's the best nation in the world?

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my quess would be 4 doors up and down.......