With the probes together it reads .000
LarryT
On 01/02/2017 2:54 PM, Curley McLain via Mercedes wrote:
What does the same meter read with the probes together? Is it 0.0? I
don't know the idiosyncracies of your meter. each model is different
and some variance within the same model would not be unusual.
1 and 5 are probably ok. I am concerned about 2, 3 and 4, all are
too low. they could indicate a short.
Can you visually inspect the wiring harness? I suspect not, if it is
secured as from the factory.
If you can do the ammeter test, that will tell you for sure.
I
Larry Turner via Mercedes <mailto:mercedes@okiebenz.com>
January 2, 2017 at 11:30 AM
What does this tell me?
OK, I finally tested the Ohms at each installed Glow Plug . I think
the red probe was on the threaded tip each time and the black probe
was on the manifold. 1 - .6 (on the wire hold down nut)
1 - .6 (probe on the 12v wire hold down nut)
2 - .2
3 - .1
4 - .1
5 - .4
Larry
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Larry Turner via Mercedes <mailto:mercedes@okiebenz.com>
January 2, 2017 at 11:07 AM
Thanks. I plan to toss them all. At least now I know what the
test indicated. ;-)
Thx again
Larry
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Fred Moir via Mercedes <mailto:mercedes@okiebenz.com>
January 2, 2017 at 11:05 AM
Larry.
1 & 2 seem to be in range 3, 4, and 5 are junk.
Fred Moir.
Lynn MA.
Diesel preferred.
________________________________
From: Mercedes <mercedes-boun...@okiebenz.com> on behalf of Larry
Turner via Mercedes <mercedes@okiebenz.com>
Sent: 02 January 2017 11:51
To: Curley McLain via Mercedes
Cc: Larry Turner
Subject: Re: [MBZ] HELP!! My '91 300D is Not Starting
OK, I tested my old GPs using my DMM and found the following. I put
the red probe against the threads at the tip and the black probe against
the threads that contact with the head. I used a Fluke 77 Series III
if that matters. And the dial set to Resistance ?.
What does this tell me?
*GP 1 - **0.3 * *Bosch*
*GP 2 - 0.3 "*
*GP 3 - 3.50 "*
*GP 4 - 63.4 "*
*GP 5 - 11.61 "*
*Thanks.
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Larry Turner via Mercedes <mailto:mercedes@okiebenz.com>
January 2, 2017 at 10:51 AM
OK, I tested my old GPs using my DMM and found the following. I put
the red probe against the threads at the tip and the black probe
against the threads that contact with the head. I used a Fluke 77
Series III if that matters. And the dial set to Resistance ?.
What does this tell me?
*GP 1 - **0.3 * *Bosch*
*GP 2 - 0.3 "*
*GP 3 - 3.50 "*
*GP 4 - 63.4 "*
*GP 5 - 11.61 "*
*
*
*Thanks!*
**
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Curley McLain <mailto:126die...@gmail.com>
January 2, 2017 at 9:12 AM
I've done that before. it is very dangerous on several accounts.
Philips in car test is better. Use 12 ga (or 10 ga) wire to energize
one pin position at a time. the ammeter is better than having to
remove the injectors and look in the hole.
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