From: Stu Ellis (stuellis@attbi.com)
Date: Mon Sep 09 2002 - 05:51:08 PDT
Hi!
It is done that way because the regular system doesn't work right half the
time even with good parts. Most problems really show up when cold weather
starting. I converted mine to manual as has most in my club. Saves a lot
of grinding of starter and flywheel to get started. Your system could have
been converted for various problems such as filter assembly leaking air or
heating element in filter assembly bad, glow plugs not cycling long enough
on to get hot enough for easy starting, etc. I hold button for 15 seconds
and it starts right up. Save yourself problems and leave it manual. I
replaced automatic part with all new parts and controller first.
Stu
Southern New Hampshire, USA
"Live Free Or Die"
MVPA #14790 MVMVC
1967 M151A1 Army Jeep
1964 M416 1/4 Ton Trailer
1986 M1009 CUCV
----- Original Message -----
From: "Mr. Bones" <mrbones@ixks.com>
To: "Military Vehicles Mailing List" <mil-veh@mil-veh.org>
Sent: Monday, September 09, 2002 1:32 AM
Subject: [MV] M1009 Glow Plug Circuit Question
> List,
>
> Can any of you experienced diesel mechanics tell me what component would
> determine the cycle time of the CUCV glow plugs?
>
> The vehicle in question is a 1986 M1009 with the stock "J" 6.2 L.
>
> The previous owner wired in a manual button for the plugs and we want to
> return it to the original temp sensor controlled, wait light setup.
>
> I know the system has a controller, a relay, and a module among other
> things, and all are pretty much readily available, I just don't know
> which one to buy to begin to remedy the current setup, in other words,
> what component would have failed to cause somebody to rewire with a
> manual button?
>
> I already have the gp system wiring diagram from the -20 manual, but am
> not quite sure what the sequence of events is supposed to be, like turn
> key on, energize gp circuit, temp sensor determines if gp is needed to
> assist starting, and sends signal to (?) that controls length of gp
> cycle, which energizes and times plugs for a predetermined time, shuts
> them off, then shuts off wait light.
>
> Any help from your vast pool of knowledge would be greatly appreciated.
> I have been wrenching on gas motor Chevys for a number of decades but
> these diesel critters are a new learning experience for me.
>
> Many thanks in advance,
>
> T. Bones Morris
>
>
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