Well considering they work and the ground strap is definitely disconnected then
they must be parallel plugs. The wires are all the same size, at the insulation
they're about 1/4" diameter...
So maybe with larger wires (or proper parallel wires) they'd heat faster anyway?
Interesting. I think I'm going to both make up new wires (maybe 10ga, I like to
go overboard) and install the new plugs and see how it goes.
-Curt
Date: Thu, 4 Nov 2010 22:13:25 -0500
From: Fmiser <fmi...@gmail.com>
To: Mercedes Discussion List <mercedes@okiebenz.com>
Subject: Re: [MBZ] Glow plug conversion Q.
Message-ID: <20101104221325.ae6f6744.fmi...@gmail.com>
Content-Type: text/plain; charset=US-ASCII
> Curt Raymond wrote:
> Good diagrams!
Thanks :) I make money doing that sort of thing so I ought to
be decent at it.
> Mine is like the bottom example already, as I said originally
> the ground wire at the end is NOT attached to anything, its
> just hanging there.
If there is only one electrical connection on each plug, those
are _NOT_ series plugs.
And if any of them work at all with the ground strap
disconnected, those are _NOT_ series plugs. Series plugs would
be totally disabled (all 4 of them) with the ground strap off.
> So maybe I'll try it, and maybe I'll go back and make new
> wires from each plug to the relay just to be sure, for the
> short term anyway.
#2 mimics the way Mercedes built their parallel system. It also
#avoids having to use a huge wire to the first one.
To get the equivalent of a 12 AWG wire to each done up the way
shown in #3 it would require:
6 AWG from the relay to cyl 4
7 AWG from cyl 4 to cyl 3
9 AWG from cyl 3 to cyl 2
12 AWG from cyl 2 to cyl 1
-- Philip
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