Watch out for excessive current draw- - Saab 9000 Bulletin Board - Saabnet.com
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Watch out for excessive current draw-
Posted by Wingerr (more from Wingerr) on Fri, 18 Mar 2005 17:56:43
In Reply to: Re: How old is the parts car blower motor?, Brian, Fri, 18 Mar 2005 13:46:42
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You may want to try running a check on the blower motor current draw to make sure it's not excessive, because continued operation may result in a blown motor controller, which can be expensive, or at least more things to hassle with.
It's easy enough to measure current right from the fuse terminals on full speed; it should be well under 30A.
if you don't have the means to do that, just invest in a few fuses, and replace the 30A one with a smaller one, 20 or 25A. It should give you some warning that you may be stressing out the controller transistor, which is rated at 150W, with a max of 30A under best conditions.
posted by 68.237.57...
Posts in this Thread:
- Blower fan motor, Brian, Fri, 18 Mar 2005 07:01:48
- quick squeal repair, dex88T, Mon, 16 May 2005 07:12:17
- Re: Blower fan motor, SwingBopper, Fri, 18 Mar 2005 17:07:20
- Re: Blower fan motor, Brian, Fri, 18 Mar 2005 11:00:55
- Re: Blower fan motor, Sterling98, Fri, 18 Mar 2005 08:45:19
- Re: Blower fan motor, Erik, Fri, 18 Mar 2005 08:03:14
- Re: Live and learn, david, Fri, 18 Mar 2005 07:48:50
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