"not even crankable". This would be more like a starter, battery or lose connection issue. Cranking over would not have anything too do with GPs

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1985 Euro 240D 5 spd 140K
1979 240D 5 spd, 40K on engine rebuild
1994 Dodge/Cummins, 5 spd, 121K
1964 Allice Chalmers D15 tractor
2014 Kubota L3800 tractor
1964 VW bug

"Lifes too short to drive a boring car"

First - my 240D is in the need of the same conversion. So I have questions:

I can't seem to locate the old GP relay, anyone tell me where it's at? Under the black box on the driver side? Pics would be MOST welcome.

Next, I do have the Fast Glow Kit but if I can just go with newer plugs only... I'll go that route to save some green.

Or should I just install the FG Kit and get on with life? I can't seem to figure out where the wires are supposed to go.

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I'm not a doctor, but I'll have a look.

'85 300SD 245k
'87 300SDL 251k
'90 300SEL 326k

Six others from BMW, GM, and Ford.

Liberty will not descend to a people; a people must raise themselves to liberty.[/IMG]

0 250 201 044 is for the large OD plug with the pencil tip

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I'm not a doctor, but I'll have a look.

'85 300SD 245k
'87 300SDL 251k
'90 300SEL 326k

Six others from BMW, GM, and Ford.

Liberty will not descend to a people; a people must raise themselves to liberty.[/IMG]

Go with plugs only. Remove the ground. Hook up the first plug to the original hot wire, then put jumper wires from the 1st plug to each of the others in turn.
Did mine years ago that way. Still working fine.

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1977 300d 70k--sold 08
1985 300TD 185k+
1984 307d 126k--sold 8/03
1985 409d 65k--sold 06
1984 300SD 315k--daughter's car
1979 300SD 122k--sold 2/11
1999 Fuso FG Expedition Camper
1993 GMC Sierra 6.5 TD 4x4
1982 Bluebird Wanderlodge CAT 3208--Sold 2/13

I agree, your relay is most likely fine, its under the panel above your knees, drivers side, but get your car cranking over and I'm guessing all will be OK, I used #10, multi strand wire for jumpers. If you need the push button, you need a solenoid because there are too many amps to put through a 15 amp switch. With the new style you will only want to "glow' of about 5-10 seconds.

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1985 Euro 240D 5 spd 140K
1979 240D 5 spd, 40K on engine rebuild
1994 Dodge/Cummins, 5 spd, 121K
1964 Allice Chalmers D15 tractor
2014 Kubota L3800 tractor
1964 VW bug

"Lifes too short to drive a boring car"

Ah yes, that was the case. Just got done with the GPs and still no crank--I was thinking there may be some starter-related wiring in the relay. (Still very new to this machine!)

Thanks--and if you feel up to a fuller explanation about needing a solenoid for the starter if I do install a manual GP switch, I'd love to hear it! Cheers. -n

It is a silver box under the driver's side “knee” panel under the dash. I have se same "conversion" using pencil plugs and the old loop relay, but lately it won't glow until I start craning the engine over. I think my relay is to blame. Is the newer relay "plug and play" or should I just replace it with another of the old style relays?

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1979 240D- 316K miles - VGT Turbo, Intercooler, Stick Shift, Many Other Mods - Daily Driver

1982 300SD - 232K miles - Wife's Daily Driver

1986 560SL - Wife's red speed machine

Have a pic? is it the one mounted to the steering column?

__________________
I'm not a doctor, but I'll have a look.

'85 300SD 245k
'87 300SDL 251k
'90 300SEL 326k

Six others from BMW, GM, and Ford.

Liberty will not descend to a people; a people must raise themselves to liberty.[/IMG]

I think there's a pic here:

http://dieselgiant.com/mercedesdieselloopglowplugrepair.htm

I just did an upgrade on my 240, and it works like a charm.

Okay rock on, it is where I thought it was located.



Has anyone installed the Fast Glow kit? I got it for a really good price, but can't seem to see where to run the wires from the new relay. Maybe they go to the wiring on the old?

__________________
I'm not a doctor, but I'll have a look.

'85 300SD 245k
'87 300SDL 251k
'90 300SEL 326k

Six others from BMW, GM, and Ford.

Liberty will not descend to a people; a people must raise themselves to liberty.[/IMG]

hey there,

the car (1980 300D) started after charging the battery some more--thanks for the reminder. so now i'm happy to report that after installing the fast-glow pencil plugs (my car apparently already had the fast-start relay) it's a quick 10 second glow and starts without needing to step on the accelerator.

i still have a flashing situation on my dash glow plug light--i've read this is an indication that something is wrong, but for now i'm happy it's starting and i'll look into this more after working on that durn transmission.

thanks!
noah

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1980 300D (non-turbo, 421k miles)
1984 300TD (turbo, 305k miles)
1985 Vanagon (170k miles)