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#1
05-01-2012, 06:23 PM
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Where's the fuse, and what's the extra pin for?
I've got my 83 wagon, giving me fits starting, bad glow plug controller.
I've been bypassing it for a few weeks, and today my GF couldn't start it. so I got out a controller from my 93 300D, same number of plugs, similar connection... however, the controller has no fuse? and the control harness has an extra pin. 1. where is the fuse on the 93? 2. what's the extra pin for on the controller? the controller works fine, just curious what the differences are.
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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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#2
05-01-2012, 09:23 PM
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No fuse on the later 124s. It is more like a circuit breaker and resets automatically.
I can't answer question #2. Perhaps it has to do with after-glow.
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1987 300TD 309, xxx 2.8.2014 10,000 mile OCI Be careful of the toes you step on today, as they may be connected to the ass you have to kiss tomorrow. anonymous “Be who you are and say what you feel, because those who mind don’t matter, and those who matter won’t mind.” Dr. Seuss
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#3
05-01-2012, 09:46 PM
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An extra pin where? Does it have to do with the 93 having 6 cylinders and thus 6 glow plugs versus the 617s having only 5?
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2009 ML320 Bluetec 1985 300CD 1981 300TD  Past Mercedes 1979 300TD 1982 300TD 2000 E320 4Matic Wagon 1998 E430 1984 300SD 1980 300SD
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#4
05-01-2012, 09:49 PM
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the later GP controller had circuit breaker thing built in, and also afterglow, thats most probably what that pin is for.
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2012 BMW X5 (Beef + Granite suspension model) 1995 E300D - The original humming machine (consumed by Flood 2017) 2000 E320 - The evolution (consumed by flood 2017)
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#5
05-01-2012, 10:01 PM
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Quote:
__________________
1987 300TD 309, xxx 2.8.2014 10,000 mile OCI Be careful of the toes you step on today, as they may be connected to the ass you have to kiss tomorrow. anonymous “Be who you are and say what you feel, because those who mind don’t matter, and those who matter won’t mind.” Dr. Seuss
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#6
05-01-2012, 10:18 PM
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Quote:
the extra pin is in the harness that goes to the keyswitch... not the harness to the glow plugs themselves. my 83 has only 4 pins, the 93 has 5...
__________________
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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#8
05-02-2012, 11:09 PM
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Quote:
it goes to the "preglow temp sender" and the 83 does not have that, so no harm done not hooking it up! or, I could add a sensor to the car and wire it to the pin, and the relay would operate different amounts of time based on the temp outside...
__________________
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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