Had an interesting weekend. First, mucho thanks to the FAQ-contributors who had the complete answer to why my brake pedal went rock hard going down a hill in Missouri. Blessed me came to a safe stop right in front of an Advance Auto Parts, and after checking the FAQs I've downloaded and keep in a binder in the back of my wagon it sent me right to the brake booster check valve which had crumbled apart, and Advance Auto actually had a [universal?] check valve which fit my 86 740 turbo wagon perfectly and restored my brake function.
On a standing issue, the overdrive fuse blew three times this weekend. On the third time I located and wrapped an exposed piece of beige wire that may have occurred from a recent CD install at BestBuy, but I can't be sure. Wondering if there is anything else I should check or just wait and see if it pops again.
Mucho thanks!
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