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Starter or NSS? Can the NSS be bypassed for testing? 900 1995

1995 945 225K

The car has been gradually harder to start. This has been my wife's car for a couple years now so I am not as familiar with the problems that it is developing. It's be a solid and venerable car, but it's on the way out. I know I'll need to replace it sometime in the near future, but I need it to keep working for a few more months.

Personally, I have only experienced these symptoms once. My wife is not mechanically inclined, so explanations from her have been difficult to interpret.

What she's told me, and what I experienced was this:

You turn the key and sometimes you get nothing. No cranking or anything. All dash lights work but you get no cranking. Sometimes you turn the key and it cranks briefly before it cuts off suddenly. Or it works just fine.

It's got an excellent battery. Fully charged, nearly brand-new so no issues there. Connections to the start look good and solid.

I know it is starter related, I was thinking a bad solenoid, but after reading the FAQ on the subject, I'm led to believe that it could be the NSS.

In the short-run (for testing purposed) can the NSS be bypassed?

Aside from hooking up my Digital Multimeter (high amperage scares me) are there any other tests I can try?

---EDIT---
Okay, just had a chance to test it and it seems to one of three things

1) nothing whatsoever when the key is turned
2) cranks briefly and cuts off
3) starts normally

when it gets sufficient cranking, it fires up immediately. It feels like the power is suddenly cut to the starter - which really makes me think NSS...






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New Starter or NSS? Can the NSS be bypassed for testing? [900][1995]
posted by  RepairmanJackal subscriber  on Thu Sep 9 12:14 CST 2010 >


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