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A wire comming out of the seat nar the door has nothing to do with the SRS system -that wire most likely has to do with the seat heating element. I have gone through my SRS system on my 1990 244 DL extensively and many on this Board fail to get into such questions -at least when I have asked them! Within the last several months I have developed some knowledge on the subject. And, it took me several months, a little here a little there, to solve the problem. Note: SRS parts, even for our old cars, can be expensive but look on Ebay to find some great deals! I got a $150-$350 power pack and crash sensor for $20... the contact reel cost me nearly $100. This is a good time to relate: if you are working on your steering knuckles... be careful to lock the steering wheel. A fairly simple $60 job wound up costing me much more!
So Grasshopper, the SRS wires are under the carpet on the driver's side. They run through the the kick panel area off the center console. The components & associated wires are usually, to my knowledge, orange in color. There are connectors & wire bundles near the kick panel (again under carpet) and a crash sensor w/ power pack under the driver's seat (below the carpet). This is all wired to the contact reel & air bag on the steering column.
If you have a light on the dash there are several things you can do:
1) Read the FAQ 700/900 on SRS at the top of the web page in "Features". The information contained within is useful to us 240 owners and helped me tremdously. Seriously... READ IT!!!!
2) Follow the instructions to elicit the code(s) on the dash via the SRS spot next to the cigarette lighter. The SRS light will blink in sequence to reveal the dilemma.
3) In the end, you will have to reset the light no matter what.
4) Diagnose your drama carefully.
This is all bearing the you did not get into an accident, undergo an electrical short of some kind, fuck with your steering universals (what happened to me), develop a bad connection due to dirt or age, have a faulty component in the system, etc...
It may or may not be BIG drama... sometimes the fixes are super simple... sometime not. However, post back with any issues after you have READ the FAQ and done some guess work.
Peace, Jon
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