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post #31 of 65 (permalink) Old 10-28-2018, 06:29 PM
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Like I said, I had the exact same issues, including the erratic tacho, and a good second hand ignition trigger box fixed it, why not try, they are cheap at the wreckers.
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post #32 of 65 (permalink) Old 10-28-2018, 10:54 PM
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Originally Posted by Irfaan_ZA View Post
It took me a while to figure out where you got 4 minutes from. Lol be nice It was supposed to be one message but a slip of the finger let me post the first half. So just continued with another post.

I don't think even an GTS will do that in 4 minutes
Not even 2 Bugatti Chirons driving full speed in opposite directions from each other could do that (relatively speaking, of course)!


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W202 C250 Diesel, OM605 NA engine, 5-speed manual
1986 200, OM617 NA engine, 5-speed manual, rev counter
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post #33 of 65 (permalink) Old 10-28-2018, 11:12 PM Thread Starter
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Originally Posted by lsmoz View Post
Like I said, I had the exact same issues, including the erratic tacho, and a good second hand ignition trigger box fixed it, why not try, they are cheap at the wreckers.
So I'm giving this a try, Will wait a few weeks before I can get one and install it. While I do this I'm going to get a new Fuel pump and filter and just do everything
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post #34 of 65 (permalink) Old 12-02-2018, 11:38 PM Thread Starter
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Thumbs down Weekend Failure



So After weeks of having no time to get around and about on my long journey to just get my poor girl running, I finally had time this Saturday.

Order of events: (What I thought)
1. Drive to the wreckers, get a ignition module.
2. See what other parts I could get that I needed.
3. Drive back home, complete the easy install
4. Start her up, give her a good clean and enjoy a late afternoon victory drive

What really happened:
1. Woke up excited and drove the wreckers
2. Got some other parts I needed and window switches in good nick
3. They sold me a Brand new module, or I had to take a chance of with a 2nd hand one. So I opted for the new
4. Drove home happily and ready to get my old girl on the road
5. Installed the new module which was easy, simply added the heat past on the mounting plate and bolted it back to the inner fender

Problem 1

The Green lead from the distributor to the ignition module, needed some encouragement to fit in properly and make contact.

6. The other plug that runs to the coil with the 4 pins, fitted easily with no issue.

Great Success
7. Reconnect the battery and turn the ignition on and she is alive alive alive.
8. I allow the car to idle for around 10mins


Problem 2
9. As I make my way to the car to move it to the area where it will be washed, it switches off completely even before i get to the car.
10. I open the bonnet/hood and I feel the new ignition module is HOT
11. Leave it to cool down and hope to start it up again later, But decide to take the plug leads out.
12. 4 Pin plug lead pops out with ease.
13. Single pin plug lead (Green cable), difficult as hell to pull off, and yip I try to force it out and it snaps
14. A flurry of vulgarity follows
15. Left it just like that and gave up

This is the module I purchased and at an exorbitant price too



The green lead I speak off looks like this



So yeah, I've given up until I can find another lead and will test with the "New" Module again.
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post #35 of 65 (permalink) Old 12-03-2018, 10:38 PM
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Hi Irfaan_ZA,

Have you spoken to The Old Merc Guy in Port Elizabeth, he seems to have a fair bit to do with W123s. A phone call might be able to sort out what is going on with your car before you tear your hair out!

Hope you can resolve the issues before too long.
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post #36 of 65 (permalink) Old 12-05-2018, 09:53 PM Thread Starter
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Take 2

So I've managed to get a 2nd Hand "Green Cable" so either this Friday or Saturday I will be giving it a 2nd attempt.

What I am going to try is use a cork gasket behind the Ignition module before mounting it to the inner fender hopefully to help with the heat. Hold thumbs and lets hope this gets sorted
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post #37 of 65 (permalink) Old 12-08-2018, 12:46 AM Thread Starter
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So here's some feedback and hopefully the last message on this topic.

I ordered the infamous "green cable" better know as the condenor cable. Opened the distributor last night, cleaned points etc. The old cable was brittle on the distributor end and so I replaced it.

Connected the OLD ignition module and put some Cork gasket between the fender mount point and the module. Started the car and left it over night.

This morning I washed the car, filled the tank and went for a pleasant 48km drive. It didn't switch off once or give any sign of it cutting out. I did however have that lump in my throat for the full duration of that drive. I even sat in a bit of traffic and it was fine.

So like I said I hope this is the end to my woe's.

Thank you everyone for the advice thus far
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post #38 of 65 (permalink) Old 12-30-2018, 05:30 AM Thread Starter
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Quote:
Originally Posted by Irfaan_ZA View Post
So here's some feedback and hopefully the last message on this topic.

I ordered the infamous "green cable" better know as the condenor cable. Opened the distributor last night, cleaned points etc. The old cable was brittle on the distributor end and so I replaced it.

Connected the OLD ignition module and put some Cork gasket between the fender mount point and the module. Started the car and left it over night.

This morning I washed the car, filled the tank and went for a pleasant 48km drive. It didn't switch off once or give any sign of it cutting out. I did however have that lump in my throat for the full duration of that drive. I even sat in a bit of traffic and it was fine.

So like I said I hope this is the end to my woe's.

Thank you everyone for the advice thus far
And here we go again.

Today after 100km care, problem free long trip I get to my destination. Switch the car off and go about greeting people for the next 5 mins. I now need to move the car, I get outside to start it. It doesn't start. Temp is high over 80 deg. Now it swings but just doesn't start.

Now I'll have to wait for it to cool down and then make my way home hopefully with no issues.
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post #39 of 65 (permalink) Old 12-30-2018, 05:44 AM Thread Starter
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Quote:
Originally Posted by Irfaan_ZA View Post
And here we go again.

Today after 100km care, problem free long trip I get to my destination. Switch the car off and go about greeting people for the next 5 mins. I now need to move the car, I get outside to start it. It doesn't start. Temp is high over 80 deg. Now it swings but just doesn't start.

Now I'll have to wait for it to cool down and then make my way home hopefully with no issues.


Cooled down just under 80 degrees. Starts on the turn and idles normal
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post #40 of 65 (permalink) Old 12-30-2018, 09:45 AM
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Fuel accumulator or leaking injectors.
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