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RarlyL8 RarlyL8 is offline
Crotchety Old Bastard
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Join Date: Jan 2000
Location: Huntsville, AL
Posts: 13,563
There are 2 thermo-time switches on most stock 930s. One is located above the distributor on the end of the BOV housing (under the left front of the intercooler). The other is located in the front cam housing cover.
If you unplug the thermo-time switch, as I have on my car, nothing unusual will happen and the other devices will operate normally. If the thermo-time switch malfunctions in the "open" position, which is not the default and therefore unusual, then the controlled devices go dead. You can check this very simply by unplugging the thermo-time switch in question and testing the other devices.
It sounds like everything is working so all is well, yes?

What is/was the problem you are chasing? Cold start issue?
RarlyL8 Motorsports / M&K Exhaust - 911/930 Exhaust Systems, Turbos, TiAL, CIS Mods/Rebuilds
'78 911SC Widebody, 930 engine, 915 Tranny, K27, SC Cams, RL8 Headers & GT3 Muffler. 350whp @ 0.75bar
Brian B. (256)536-9977 Service@MKExhaust Brian@RarlyL8
Old 09-28-2008, 04:54 PM
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