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- Normally Open
- Normally Closed
- Effective for Theft Deterrence
- One of the only switches with both normally closed contacts
- Great for pick-ups with sliding rear window
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Help deter theft with this magnetic switch that is compatible with most vehicles with a sliding window. This switch contains normally closed and normally open contacts for customized use.
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Here are the simplest way to make you LED tun on once you open a door or two (wiring diagram)
Tip: I didn't want the naked wires hanging off the switch (even though they only carry low voltage), so I 3D-printed a cover for it, you can find it on thingiverse with ID 241875 and print it yourself if you want the wires covered.
Why 5 stars when my first one was bad, frustrated me, and needed to be returned? Because the return process was great. The replacement arrived within 2 days, no joke - 2 days!, and I was able to finish the project.
The finished product looks and works great. Lots of bright light in the pantry and the light is no longer accidently left on all day.
I really hope Amazon make this right because even with free return shipping label the cost of gas or packaging will be more than the $6.xx of the unit. I'll keep posted on the results.
And the kicker is I ordered two more of these two days ago (before I was able to test the one) because I need more for my boat compartment doors... hopefully those aren't junk as well.
Note that if I close the left door gently, the magnet doesn't trip and the light stays on. I think this is an installation issue due to where/how I positioned the components. But because of this sensitivity I dropped from 5 stars to 4. Actually I am bumping back to 5 because the very narrow form factor makes these suitable for installation in some locations where the deeper and more complex (but more elegant) electronic IR sensor/switches don't fit.
They come with a 3m tape installed which is all I used to install them on my truck and they have held wonderfully.
Overall, great product.
But as long as you are able to get the magnets close, and lined up, it's working just fine.