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Climate control fuse problem and alt charging issue... S90-V90

posted by  mapleleafer on  Wed Apr 26 17:47 CST 2006
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last visit: Wed Oct 9 00:36 CST 2013
[RELATED]

Put it all back together and leave the fan unplugged. Put all the controls to "auto". If it stops blowing the fuse, you probably have a broken brush holder in the motor causing the hot lead to intermittantly ground to the case.

If your mechanic is calling the power amp a "rheostat" then he shouldn't be working on your car.

As far as the BAT light not going on with the alternator "disconnected"... if he unplugged it, he removed the ground circuit needed to turn the light on. If he removed the belt, that would be different. Normal charge voltage is 14.5-15.0 volts but up to 15.5v is allowable. Check it at the battery with a known good meter. The symptoms of overcharging are short light bulb life and frequently low fluid level in the battery.






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