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today i'm doubting the wisdom of volvo ownership...
as noted earlier in a post today, i had changed the blower motor out and as oleseahorse found, the ipd blower motor kit provides a motor with the red and black wires too short. ok, so after butt connecting longer leads i put the thing together and it worked fine. even the a/c cranked to life. i also took out the temp compensation board and used the 16 guage wire trick as noted by ken c.
today the car overheated because i didnt realize the temp gauge (sans temp board) was giving me an accurate reading. the neck of the radiator at the upper hose connection cracked and pulled over and shut down within 20 seconds.
ok, had it towed to a friend's shop, he installed new radiator, thermostat & gasket and new coolant and the temp is now reading about 8 o'clock. he topped off the r134a refrigerant (had it converted a long time ago) and temp out of the vents was a respectable 57 degrees.
ok, went to pick it up and after marvelling at the lowered operating temp, i try the a/c. blower motor switch doesnt do anything. dead. nada. so i turned blower back to off position. a moment later the a/c 10 second delay relay kicks in the compressor and lo and behold, there is a slight movement of air out of the vents and i can hear the blower motor working (like on speed nbr 1). turning the blower switch to 1-2-3-4 actually turns off the motor (the blower only works when the switch is set to the off position and with the a/c compressor working. if i shut off the a/c, the motor stops and no air out of the vents. wtf!
mechanic/friends comes over, fiddles with the switch and thinks the switch took a dump. i worry about resistor pack but he says if it was a bad resistor the blower motor should be at least working on the full power setting ('direct power bypassing the resistor'). i volunteer that maybe the blower motor is defective (but it runs says he, so it must be ok. the problem, he says, is the power running to it - therefore it must be in the switch).
tomorrow i'm going to tear out the center console and put the old switch in (i had used the new switch that was included in the ipd blower motor kit) and see what happens.
however, i'm looking to art (benstein), bob (aye roll), marty (oleseahores), ken c, don and the signigficantly talented others (you know who you are!) to come up with an answer, or at least a plan - failing that, my mechanic/friend is a former Marine sniper and he keeps his 50 cal in the shop to put bad cars out of their misery! sh*t, i gotta get a life...
brgds/garry mawhinney
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oceanre 91 240 wagon 292k
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