why so hard to find stdp relay?

I may need to get to the relays anyways, as yesterday, my high beams stopped working. I haven't had time to check if it is a blown fuse (worrisome) or a dead relay (almost as worrisome since the box is supposed to be water proof). Also, the relays plug into my stock H4 socket, so there is no real switch. Ahhh, the fun of doing HID retrofits, beats the heck out of a kit though. Thank you also for your follow up and advice, it really reflects well on this community. I'll let you know in the next few days what I end up doing. Hopefully, as time goes on I will be able to learn a lot more about things like mosfets and transistors and the like (I know NOTHING about them and really would like to learn how to design simple circuits like that). I have seen a LOT of circuits here that use those and feel that is the NEXT step to start learning, now that I have designed some REALLY complex circuits using just relays (atleast they are complex to me).

Pedro etc. your comment about 87a is basicly correct when using a relay as a powe (current) amplification which; but in other applications, such as imobilsers and changeovers inc. locking applications, the NC 87a is indispensible. Although I do agree that if you look carefully a 4 pole has a higher contact rating.  For your info there is also an 87b where 87 and 87b are both switched but diode separated.

Yeah, I know for other situations pin 87a is very very very useful. The OP was asking about an HID harness, which seldom uses the 87a pin. Also to the OP, my local radioshack had some Tyco 5 pin relays in the parts section.