[gazzerr]

There's a bunch of stuff in that area so it's a ground for something like the blower fan (does it run?), cold start injector, throttle micro switches, FV, safety contact on the CIS air flapper, temperature switch, oil pressure light switch (I'd say those two are probably grounded internally to the engine case). If you trace the wire back you should be able to find out what those wires belong to. If you clean the dirt off the wires should be brown.