[Vwdiesel] Glow Plug testing ---- ( the FAST FAST way. ).Explain
weasel1 at sympatico.ca
Wed Dec 29 15:42:51 EST 2004
Well I went out and tried the voltage drop method. No dice. I can't seem
to get a reading anywhere. Must be because of where I was probing ( on the
nuts and there was corrosion ) I did try and clean it off a bit. It is
nice to see that I am not the only one confused about this ! BTW, I do know
that a few of them are working. I have a voltmeter installed and you can
see the voltage drop at the battery. Picked up my Bosh GP's today. They'll
be going in on the weekend. I "hotwired" the GP's and I found that the #2
GP was cooler than the others, but it was really hard to detect the warmth
from them. I'll find out if I was right soon enough ....
----- Original Message -----
From: "Mark Shepherd" <mark at shepher.fsnet.co.uk>
To: <vwdiesel at vwfans.com>
Sent: Wednesday, December 29, 2004 3:36 PM
Subject: [Vwdiesel] Glow Plug testing ---- ( the FAST FAST way. ).Explain
> The voltage drop method needs some research as it dosent
> behave quite like Roger states...
> Imagine feeding glowplugs as per normal fed along a bus bar
> from #4 through #3, #2, and finally #1.
> Measuring from #2 to #1 gives a voltage drop say XmV looking
> from between#3 and #2 would give a voltage drop of XmV as
> well even if we snapped off #2 as the bus bar has a
> nominally equal voltage drop along its length (ie) so many
> ohms per metre.
> So does the voltage drop increase from its 2 lots of 'X'mV
> which would show up with a measurement between #3 and #1
> with #2 open circuit or what?????
> The Miser
> Vwdiesel mailing list
> Vwdiesel at vwfans.com
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