[W126 Coupe] Relays

[Hein]

Hi all,
Tell me something about relays, please.

1)What does it mean if one heats up when left plugged in.....
   a)When I unplug it, the windows and sunroof dies.
   b)If I leave it in the battery dies if the car is not driven for a week.

2)How do you trouble shoot a faulty relay and FIX it?
   I can't find one of those 1"X1" relays anywhere for sale.

3)I presume it is a circuit that is stuck open ...or shut inside the relay, depending on your point of view.
or......a short circuit in the wiring to the windows or sunroof somewhere that keeps power on and heats the relay, which doesn't make sense as something would burn up eventually.....like my nice SEC

4)I look pretty stupid going to the Mall and having to open the hood to take the relay out and then to return to replace the relay so that I can open a window.
People look at me and I just say: "don't want anyone to steal my nice SEC, so I take the on-star starter ignition control booster module with me.....I can then turn the car off with my celphone if someone dares to steal it" 

Gets everyone going , snicker snicker

Hein PS Why did the administrator sensor my post of this morning about the gangster mobile?? No, No uncle Satish
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