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New TECA installed and working! I had to make slight alterations to the mounting bracket near the kick plate. The housing to the new unit was slightly different, but came with a large sticker attached what's said "this unit may look different but will function properly" A REALLY HEART FELT THANKS TO EVERYBODY WHO HELPED THIS GUY WHO KNOWS NOTHING ABOUT AUTO ELECTRIC WALK THROUGH THIS PROBLEM AND SOLVE IT THE RIGHT WAY. YOU GUYS ARE GREAT!
BTW The substitute controller listed in post #11 byF250HDXLT (part # F4TZ-12B565-AA) works well in my '91. I notice an improvement over the old controller... definitely an upgrade!
I am impressed with this thread too. Lots of good work. I'm saving a link.
What did you do about your voltage issue that started this? Have you read about the alternator fire hazard to see if it applies to your truck?
The voltage regulator was the culprit. It was replaced BEFORE addressing the transmission problem. I have not heard of the fire hazard, please explain.
Check this out and see if it applies to your truck. I have a 460 in mine and haven't done the upgrade. I need to look closer at this issue.
If the load on your alternator is through a blade connection instead of a bolt-down connection it can be an issue. If the blade connection gets loose, corroded, high resistance, loaded and hot, it's a problem.
As an example, if I jumpstart someone's car I don't run my truck with the load of the jumpstart. I dont want that load on my old blade connection. Don't want my old alternator loaded like that.
Check this out and see if it applies to your truck. I have a 460 in mine and haven't done the upgrade. I need to look closer at this issue.
If the load on your alternator is through a blade connection instead of a bolt-down connection it can be an issue. If the blade connection gets loose, corroded, high resistance, loaded and hot, it's a problem.
As an example, if I jumpstart someone's car I don't run my truck with the load of the jumpstart. I dont want that load on my old blade connection. Don't want my old alternator loaded like that.
That is an upgrade that is definitely in my future.
HAPPY HAPPY HAPPY
