Need Help identifying Plugs Engine compartment

tseybold · 02-03-2010, 04:39 PM

I am new to the tech forum but have obtained lots of valuable info that helped me restore my 80SC. Purchased this car 6 years ago and the PO had a dash fire. The car has only 70,000 original miles and now it's pretty much complete however, there are (3) plugs in the engine compartment I can't figure out? I was hoping you seasoned Porsche guys could help me.

Flat6pac · 02-03-2010, 05:21 PM

#1 is from the 77 to 79 there is a vacuum pod that connects to on the #3 runner, not that the harness is wrong but a carry over
# 2 and 3, 2 i dont remember but 3 is connected to the lambda system harness under the pass seat. Theyre test plugs of some type for the system
Bruce

tseybold · 02-03-2010, 06:13 PM

So I really don't need to worry about them. On the No.2 plug the blue wire shows hot when started? So just tuck them away huh?
Thanks Bruce

Bob Kontak · Bob Kontak's Garage

Tim,

Pretty sure the #2 wire is for an external voltage regulator that was probably on your 80SC originally. You probably have an internal regulator now but the wire was not removed. I still have mine floating around on my '81. No problems yet.

Internal regulators became standard in 1982.