Jim and Don wrote:<<use a
battery charger with an ammeter to read the current draw, or buy a
$19.95 30-0-30 ammeter from a McParts house, connect a couple of 14 -
12 gauge wires, and put it between the wire and the glow plug - read
the current in place.>>
I can handle a $20 ammeter. How will this be differnt from my 10A DMM? - if
you could look at Radio Shack and give me a part number I'l now more what
I'm trying to buy. I'm *really* electrically challenged if we go beyond
continuity and test lights. I *can* understand it, but I work with it so
seldom it takes a little *thinking* to get the concepts in my noggin'.
So, this will tell me if the glow plug is getting hot? Or what?
Would the test light on the GP tell me if the timer is staying on as long as
it should? I'd have to do it when the engine is stone cold - not a problem
lately - but when it's 30F-40F I should be getting 60+ seconds on the timer,
right? Is it possible that the relay is coming on for ~1 second and
slightly heating the GPs - enough to fire the engine. Since the engine is
in *very* good condition it starts - altho it runs a little rough for 3-5
seconds when very cold - with the present GP (or relay) condition.
Possible?
BTW, I have a electrical tester for the battery & alt system - it clamps
onto the battery terminals and depending on what I'm testing it will tell me
if the alt or battery is bad. Don't recall what this is called.
Thanks again for your patience -
Larry T (67 MGB, 74 911, 78 240D, 91 300D)
www.youroil.net for Oil Analysis and Weber Parts
Test Results http://members.rennlist.com/oil
PORSCHE POSTERS! youroil.net
Weber Carb Info http://members.rennlist.com/webercarbs
Porsche Road Test http://members.rennlist.com/roadtest/
.
----- Original Message -----
From: "OK Don" <[EMAIL PROTECTED]>
To: "Mercedes Discussion List" <mercedes@okiebenz.com>
Sent: Saturday, November 04, 2006 11:51 PM
Subject: Re: [MBZ] GP Infant Mortality
Yes - you can test to see if the glow plugs are getting 12v., but that
doesn't mean they're getting hot. I like the suggestion to use a
battery charger with an ammeter to read the current draw, or buy a
$19.95 30-0-30 ammeter from a McParts house, connect a couple of 14 -
12 gauge wires, and put it between the wire and the glow plug - read
the current in place.
--
OK Don, KD5NRO
Norman, OK
"The Americans will always do the right thing... after they've
exhausted all the alternatives."
Sir Winston Churchill
'90 300D, '87 300SDL, '81 240D, '78 450SLC, '97 Ply Grand Voyager
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