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need ac/heater blower help 850 1993

Hello fellas, I need some help. First some background info. Last weekend I picked up a 1993 850 GLT manual trans with 130000 miles. Car was driven maybe 1000 miles the last 2 yrs by a 76 yr young man. I fixed a couple problems already by reading solutions on this site so thanks for the help fixing my pimp seat that wouldnt raise up, and restoring the radio code.

Now for my other problem. I have the automatic climate control. I pulled the codes (thanks again for that info!) and then cleared the codes. 419 would not clear. The 2 little lights, recirc and A/C would blink for awhile then quit. When I turn the key on the blower comes on for maybe 1 to 2 seconds thats it. So, after much reading I determined it was most likely the blower or resistor. Pulled these 2 out. Fan motor looked really good, hooked up to 12 volts and spun nicely. Figured what the heck, pryed open resistor case and looks like a little fat capacitor??? oozed some jell looking stuff. I was thinking thats it! My plan was to prove that it was the resistor and then purchase a new fan and resistor and be done with that for a long time. Off to the junkyard I go. I pull 2 blowers and resistors, one from a 96k wreck and the other a 132000 mile 96 850. Come home plug in a new set and the blower comes on at full speed. The control unit was set on manual, not auto, temp controls were both turned to max warm. The slider seemed like it might control blower speed but when I messed with it the blower stopped. I put the other resistor in from my memory it would blow a liitle slower but almost same results.

IS it my ECC? Could it still be a blower and resisitor problem? The junkyard blowers didn't look as good as mine. I'm going to buy a new blower and resistor but will a bad ECC hurt these 2 new components? Anyone have a ECC I could borrow or buy if I need one. Or is there somewhere that sells good used units? Looking forward to hearing back and getting this problem solved. Getting cold up here in Indiana! Thanks!!!






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New need ac/heater blower help [850][1993]
posted by  ridetoslide  on Sun Oct 4 03:13 CST 2009 >


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