I have been looking at wiring diagrams since I was working on my Harley Hummer in Jr. High. The other night I was studying a TR8 wiring diagram and relized there were symbols on it that I don't know. So, let's see if you guys can tell me what they are!
This one is of course a fuse:

So, what are these?
















Why do these face different directions?

jclay
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