I want to say that this is rare. but, as is often seen, some of these descriptions omit important information. In that case, they don't tell you that these switches are only rated for 1.5 amps. That means you'll need to add a relay if you want to use them for power windows, door locks, or anything other than a small lightbulb. In my case it's 4 for power windows! Not only do you need relays, but the wiring becomes much more complicated. Speaking of which, they came with no schematics or instructions (which the description says are included). I had to call them and ask them to email me. So I decided to return the switch kits. Then problem number 2 emerged. Yes, they accept returns, but there's a hefty 20% restocking fee and you'll have to pay for return shipping. All because they left out important information on the listing page.
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