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#1
02-15-2007, 10:34 PM
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Wellll, it seems wierd that you have to put the black cord/pin of the multimeter on the negative pin of the battery. That's a helluva stretch for my itty-bitty cord (er, wait).
At any rate, I put the neg on the neg pole of the battery and the positive in each pin hole of the plug on the glow plug relay. It was on ohms and each time it pegged to the 0. What am I doing wrong? Thanks for your patience for the Captain of the casual mechanics!
__________________
1982 Silver 300DT 
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#2
02-15-2007, 05:49 PM
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In mine, the GP relay glowing process would have to be recycled two - three times before the bulb would illuminate. It started as if it had a few weak plugs, too.
All plugs checked out perfect, the strip fuse was fine. I removed the timer plug, the relay plug and sprayed female and male contact points with WD40. No difference. Next, I disconnected the battery and removed the live red wire behind the timer plug and sprayed WD40 on the contact screw and connector. Problem solved.
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#3
02-15-2007, 06:42 PM
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Quote:
My battery is reading under the 12.5 volts that dieselgiant lists as the necessary minimum for the glow plugs to work. So, with my battery under that voltage, would the dash light not light up?
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1982 Silver 300DT
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#4
02-15-2007, 07:13 PM
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Unitl you get the glow system sorted, try to avoid cranking the engine. Everytime the engine turns, raw diesel fuel is filling the cylinders, and that is going to make it harder to start when you do get the glowplugs working.
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#6
03-27-2007, 08:06 PM
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it's also a bit warmer out...
still weird that it was simultaneous with the sunroof repair. these cars are a joy aint they? John
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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread "as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do! My drivers: 1987 190D 2.5Turbo 1987 560SL convertible 1987 190D 2.5-5SPEED!!!  1987 300TD 2005 Dodge Sprinter 2500 158"WB 1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere!
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#7
03-27-2007, 10:59 PM
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Glow Plug Woes
Just curious how you determined they were dead and what brand were they?...Thanks for the follow up post....I was wondering if you had got it running ok....
__________________
1978 Yellow 300D (The Mustard Toad) 1980 Blue 240D (The Iron Toad) 1989 Grey Mitsu.4WD Mighty Max Pickup (Needs a Diesel transplant bad) (Open the pod bay doors HAL)
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