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#1
05-21-2007, 09:57 AM
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Can't get started
When I crank my key, the only sound I hear is the glow plug relay clicking off. My Neutral/park safty switch was by-passed about a month ago. Maybe my starter motor is toast? Anyone with any experience or pointers in this area?
Roger 
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#2
05-21-2007, 10:17 AM
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what voltage do you have at the battery?
what voltage do you have at the starter terminal block? what voltage do you have while you are cranking the car? if you short the terminals on the starter terminal block will the car crank? it may be your starter, it may be your ignition switch it may be your battery it may be the wiring to the starter, or even the terminals on the battery. 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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#3
05-21-2007, 10:32 AM
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I haven't checked voltages, but the battery is new, only 6-8 weeks old, and has loads of power. there is good power at the starter terminals on the inner fender, as when I try to jump the starter directly there w/ needle nose pliers I get a healthy spark, but again all I hear is the glow plug relay switching off. How would I test the started otherwise? It's a holiday monday here, so my resources are pretty limited
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#4
05-21-2007, 11:27 AM
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oooh, you have tested by shorting the terminal, and you get a healthy spark, that sounds like you have a shorted starter. or a locked up motor. if you are shorting the terminals, you are not hearing the GP relay, you are hearing the starter solenoid. try hitting the starter with a hammer handle or a broom handle.
you may have bad contacts in the solenoid. 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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#6
05-22-2007, 10:00 AM
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I'm having the exact same problem, so I'll be reading this thread closely. I hear the solenoid click and the interior lights dim (when the door is open) but no spin. Can't get under the car where it is to check connections, will have to wait till the wife gets home to push start it. How hard is it to replace the starter?
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#7
05-22-2007, 04:10 PM
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one insight onto this. When i bought the the 300SD I had to drive it through a puddle 2 feet deep. The car crossed fine (there were several trucks stranded in the puddle... Gassers!!!), but of course the starter had been submerged. I try to dry it afterwards but to no avail (anyways it looked old and greasy!!).
Lond story short... I ordered a new starter and not problem since. The simptoms were exactly the same. A single click when cranking, battery at 13.8V, 13.5V at the terminals. healty spark when shorted.
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------------------------------------------ Aquilae non capunt muscas! (Eagles don't hunt flies!) 1979 300SD Black/Black MBtex239000mi 1983 300TD euro-NA. White/Olive Cloth-MBtex 201000mi. Fleet car of the USA embassy in Morocco 1983 240D Labrador Blue/Blue MBtex 161000mi
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