Still Blowin fuses %###$$$!!

[George Butler]

Hello all, 

After blowing two fuses for the fresh air blower on my 84ksq during a cold snap a few days ago, I decided to take advantage of a vacation day I took today and swapped out the blower.  It was in the balmy mid-20's and I took my time and investigated everything I could while performing the swap.  Upon completing the job I hopped into the car, fired up the engine, waited several seconds and turned on the blower...and it worked like a charm across all four speeds!  About two hours later (and 10 degrees cooler) my son took the car out for ten minutes. When he returned he reported that he had turned the blower on the lowest speed, and it had gone dead...of course the fuse had blown again!  Per the recommendation of a few kindly listers I disconnected the AC clutch, replaced the 30A fuse again...and blew yet another fuse!  I've scoured the current paths laid out in the Bentley and can't really identify potential culprits (although, the current path for fuse #16 and the rear-window defogger (which works fine) look pretty interesting.  I've sort of eliminated the blower control switch and the resistor, but have no idea where to go next.  What on earth could be temperature-sensitive in that circuit...or it the temperature just a coincidental factor? HHHHeelllllllppppp! 

TIA

Regards,

Soon to be snow-bound...

George B.
Massachusetts
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