i am working on johnea's car. i have a shop and we specialize in aircooled VW's but i own two 124 MB's so we work on those some also.

he has symptoms of the so-called SSS. john bought the car last summer and i have done lots of work to it including complete ignition tune up with OE parts, new exhaust system, tidy up in engine bay, new fuel filter and check valves. last thing we replaced the CPS. OVP is new from the PO and it's a dealer unit.

i've read about SSS in this forum, dozens of threads. benzworld has a few threads. i've read the worldpac internal forum, threads there. we've done everything that's pointed to except replace the hall sender.

car has only stalled on me once, when it was idling in park, so that points away from the hall sender. last time it happened to john he is pretty sure that as the car was rolling along in the stalled state, he had no power, as noted that the windows did not work, so this seems to point to the ignition circuit (terminal 15) being interrupted. my next thought is that the ignition switch electrical portion may be intermittent bad. i am having trouble understanding exactly how the issue arises on the road because i have never been driving the car as it's happened.

in johnea's post above he says "windows wont work, no power, but all the lights on the dash light up." these two things don't make sense to me in terms of ignition switch bad. if ignition switch is bad and #15 is interrupted, there should be no lights on the dash, i believe the dash lights are powered by #15?

we have not tried fuel pump relay, we may have a spare to use as a tester. the fact that the car cannot start until 30 seconds after it stalls points away from ignition switch bad and points towards something else such as FP relay.

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punkinfair