this pleases me to hear

Did it get fixed? Would be nice to know the outcome.

I've tested and tried everything that was suggested and I'm done messing with it until spring. It is still running poorly and its just too nasty in northern Indiana right now to work on it. Thank you all for your inpit.

I haven't found the problem and I'm done messing with it until spring. This winter in northern Indiana has been brutal and it makes car repair very challenging. Thank you all for your input. If I do get it straightened out I will be sure to post about it.

Thanks!

Stay warm!

Howdy Y'all! I finally had some time to work on my 1995 Oldsmobile 88 Royale. I may have solved the issue of multiple ignition control module failures. I unbolted the module base from the cylinder head and got a look at the small, factory ground wire that is sandwiched onto one of the mounting studs. It wasn't broken but the ring lug was oxidized and slightly corroded. Using a wire brush I cleaned the lug, both mounting studs plus the bracket and cylinder head mating surfaces. I also gave everything a light coating of WD-40. I also added an extra #6 ground wire from the same stud spot where the factory one was sandwiched in. I ran the other end of the new ground wire to the fender stud that has the direct battery ground wire on it. I polished up that lug and mounting stud plus the 3 other wire ring lugs that were attached to it. I then installed a $5 junkyard ignition control module and went for a ride. The car starts, idles and drives like new. Previously the 3 brand new replacement modules only lasted a week before I would lose a cylinder so time will tell if it'* permanently fixed. I'll post an update in a week or 2 but I have a good feeling about it. I don't think it was causing the module issues but I did replace the camshaft position sensor today too. My check engine light was on and the code was for that sensor. I did also check my alternator output to see if it was putting out proper, steady voltage. It was sending 14.01-14.02 volts to my battery at idle. That'* good enough for me. I've driven it about 100 miles over the past 2 days and so far all is well. Fingers crossed! 🙂

Thanks for the update! We never hear of an issue there, but it makes sense. Hopefully this works for you and increases our knowledge here as well!

Electricity is a funny thing. It loves finding the easiest way back to ground and that sometimes causes tough to diagnose problems. I've been a union electrician for over 30 years and I've had to diagnose some real puzzlers. I'll update again in a couple weeks.

Electricity is a funny thing. It loves finding the easiest way back to ground and that sometimes causes tough to diagnose problems. I've been a union electrician for over 30 years and I've had to diagnose some real puzzlers. I'll update again in a couple weeks. Thanks again to everyone for their tips and suggestions as to what was causing the issue.

Here is my final update. I've driven the car about a thousand miles over the past few weeks and it'* still running great. I still can't say for sure if it was solely a grounding issue or if the bad camshaft sensor was a contributing factor to the multiple ignition module failures but I'd say it'* fixed. Thanks again for everyone'* input during this challenging process. 😎👍