Relays - what does what?

[iFORCE]

anyone have a list of what each relay is responsible for? I pulled out the one that says DEFOG yet my defog light still lights up. Does it just mean the light is on but the actual defog doesn't work?

 

[Jeff Kleb]

You may have to wait for a wet day to see if it actually does work.

 

[greasefingers]

That relay sends power to the rear window defogger and the heated mirrors.

But the most troublesome relay on yours is the TRC MTR relay. When you