[W126 Coupe] SEC Starting Failure After a Massive Downpour

a figment of the imagination figstir at yahoo.com
Tue Aug 16 01:36:39 EDT 2005


Hi!

I replaced the ignition coil wire and got nowhere. 
Then I replaced the ignition module with one off a '74
280 (the pins on it looked identical and it would
awfully strange for MBZ to have made a huge redesign
of the "outputs" from these ignition modules to not
try this with just reason); however, no go.  

Regarding the green wire, it doesn't look broken at
the site of the ignition module; however, it looks
awfully corroded near the distributor cap.  One thing
I noticed is that my green wire is missing the
"solenoid"/resistor? (round cylinder) that one would
normally find under the dizzy cap.  Is this normal in
an W126 body SEC?  My green wire looks like it is
missing something, but I simply don't know.  

I'll go to the parts store and see if I can't find a
new one, instead of trying to swap one out from older
benz.  

Regarding the coil, aren't most of the coils on MBZ
gas engines the same?  My gut feeling is that the coil
is probably okay, but that some connection near the
dizzy cap has been completely corroded beyond its last
mile, given the heavy downpour and moisture (H20, H30,
0H) inducing more oxidative damage...

Anyways, I still don't have a working car.  Everyone
is probably right that there simply is no spark being
given.  I just wish it was easier to tell this.  

Can I not take out my #1 spark plug and touch it
against the valve covers, while cranking to see if it
sparks?

-fig

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