[Vwdiesel] Miser's monitoring method for Glow plugs

[Mike & Coreen Smith]

Mark,

huh?

How can soldering an LED to each glowplug prove the glowplug is working?

All that you'll do with 12V is smoke the LED instantly.  Even if it was an
internally ballasted
LED, (or one you add a 500Ohm to 1KOhm resistor to) is prove you have
voltage AT the glowplug.

You haven't proven current flow........which is a different animal
altogether.

Unless I am misreading your post.......which is possible.,........I've had
an incredibly hard day and
am stressed. (personal stuff)

I am interested in the idea you are trying to convey....please elaborate.

Mike

Mike, Coreen & Corey Smith
699 Rte 616 Keswick Ridge
NB
Canada
E6L 1T1
----- Original Message -----
From: "Mark Shepherd" <mark at shepher.fsnet.co.uk>
To: <vwdiesel at vwfans.com>
Sent: Tuesday, December 21, 2004 4:15 PM
Subject: [Vwdiesel] Miser's monitoring method for Glow plugs


the invisible man some times... ;o) BUT here's my take on glow plug
monitoring.
Ok you want 4 LEDs on a switch blank?  Then change bus bar for previously
discussed individual wires; but go back to a common point (not #4 plug)
because each plug needs a wire.  Bare insulation near each glowplug and
solder flying leads (these will go back to the LEDs) the other 'feed' to the
LEDs can all come from the common junction.
 As Hagar pointed out there will be a mVolt drop across the fuse and
likewise across the length of glowplug supply. Dont use ballasted LEDs.
Glowplug failure will extuinguish LED
Is it +ve  to LED anode for conducting? I dunno someone else can explain...
8oP

Miser
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