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Heater blower motor (no ac) current draw
https://www.slantsix.org/forum/viewtopic.php?t=8418
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Author:  Pierre [ Sun Feb 15, 2004 2:15 am ]
Post subject:  Heater blower motor (no ac) current draw

Mine seems to be drawing an excessive amount of current, probably a good canidate to be controled via relay directly from battery. When on the low setting, a 0.25-0.5v drop occurs at the fuse box. When on high, 0.5-1v drop at the fuse box. Both of these are on the switched power feed in the fuse box.

Does this happen to everybody, or do I have a flaky connection somewhere? For all of you with a voltmeter installed or a hand tester I'd appreciate if you could do a little experimenting and let me know what you find interms of voltage drop with the blower motor on.

Author:  junkyardhero [ Sun Feb 15, 2004 2:25 am ]
Post subject: 

Pierre, i've got the same thing in this boat. While i haven't put the handtester on it, i can tell you that with the blower motor running full tilt the car is not happy. I say pop for the relays...

-JYH
64 Dart, i don't even have a radio-- why expect a heater?!!?
69 Cuda, the Q-Ship, PS & AC!!
SoCal baby, SoCal

Author:  Seis Inclinado [ Sun Feb 15, 2004 2:20 pm ]
Post subject:  Heater Blower Motor

Had the same high curret draw a few months back, up to the poit of blowing the fuse continuosly
Only thing I could find was a dirty motor requiring some deep cleaning and lubricating... :roll:

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