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My battery light keeps flashing and the lights surge brighter, the air blows harder, and so on. Also the belt squeeks. Is it the alternator? Or a sensor?

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  • Cars & Trucks Master
  • 775 Answers

Hi,first I would take the belt off and check that its not worn out,if you turn the belt inside out and check for aney crackin,or just a black shiney coulor then replace,if not shore replace it aney whay, when you put the belt back on make shore its tight enogth so it dosnt slip,but not to tight as to put pressure on the bearings on the pullys.
if when you put the belt back on and the light still flashes then take it to a car spares shop and they usally check the alternater and battery for free.
hope this was some help to you,all the best.

Posted on Apr 29, 2015

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  • Cars & Trucks Master
  • 991 Answers

I would be checking the tension on the belt first.

Posted on Apr 29, 2015

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chrischronic
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SOURCE: Alternator fuse blow out

have altinator checked to see if its overcharging. advance auto does this for free

Posted on Feb 16, 2009

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SOURCE: red battery light came on and keeps flashing,

When the battery light comes on, the alternator is not charging the battery.
Cause may be: bad alternator, loose or broken belt, connection problems (loose or broken wires).

Posted on Nov 26, 2009

alicantecoli
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SOURCE: I have a 85 bmw 318i The battery will not keeep a

Need to test the battery ,and the alternator for a discharge .Was a new alternator used or a reconditioned one ?? ignore the lights for the minute because they sound as though the regulator is working ,iam more concerned about the diode pack in the alternator,hence was it a new one or a recon or one from a scrappers

Posted on Dec 19, 2009

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SOURCE: heater lights flashing

Turn it on, Put the heater on high. While the heater is on high hold down the rear wiper, rear washer and recycle air buttons (all at the same time) for 5 seconds. It will reset your heater computer.

Posted on Feb 25, 2010

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SOURCE: Air conditioner light flashing

this is usually an indicator that there is a low side high side switch bad or low on freon. does the compressor kick in and out while it is running?

Posted on Mar 10, 2010

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Cheers,

Mustgo

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