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- Newsgroups: rec.autos.tech
- Path: sparky!uunet!stanford.edu!leland.Stanford.EDU!eap
- From: eap@leland.Stanford.EDU (Eric Perozziello)
- Subject: Re: checking spark
- Message-ID: <1992Jul23.011857.9509@leland.Stanford.EDU>
- Sender: news@leland.Stanford.EDU (Mr News)
- Organization: DSG, Stanford University, CA 94305, USA
- References: <l6p201INNlsc@male.EBay.Sun.COM> <1992Jul22.074225.4293@mr.med.ge.com>
- Distribution: usa
- Date: Thu, 23 Jul 92 01:18:57 GMT
- Lines: 15
-
- >: What is the best way (safest as well) to check for spark if one does
- >: not have a timing light? I just want to verify I have spark coming
- >: from my distributor.
- >:
- >IMHO, the best way to check would be to get another spark plug (old one is OK),
- >connect the wire to it, then touch the ground of the plug to the block & have
- >an assistant crank the engine. It is important that there ALWAYS be a plug
- >on the wire for the spark to go to, otherwise extremely high voltages will
- >be generated & possibly damage ignition system components.
-
- If you "short" the plug wire , the voltage will stay low (never has a chance
- to build before discharging). The CURRENT will be very high, and possibly
- damage ign system components, as you mention.
-
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-