Call for burning smell from system upstairs in attic, on arrival I did smell a slight electrical burning smell when going into attic, blower wheel would free spin, jumped out 24v to blower make it energize and it did pulling 7.9 amps ram for a few minutes and noticed that the capacitor was foaming around the bottom where it was sitting in some water which most likely came from when running the a/c , checked for voltage and was getting 81v pictures attached, capacitor was internally shorted, Checked ground everything inside the furnace appeared to be normal Kay want to have a electrician come out and look over the homes electrical, replaced capacitor with homeowners permission and tested, blower amps 4.4, system is running at this time but due to age and condition multiple part failure is possible at any time.