Question about Cars & Trucks
Posted by Anonymous on
Hi your Altenator needs rebuild or replaced its braking down under load.
Posted on Apr 09, 2015
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Posted on Jan 02, 2017
SOURCE: alternator not charging
Check for voltage with a multi meter or volt guage most of the GM trigger wires come from the computer and are only 5 volts. 5 volts is not enough to light some test lights. If still nothing the problem is probably the computer. But it can be manually excited. The two terminals in the alternator on the left of the pigtail (when looking from the front of the van) need + power. the far left is the trigger wire the one next to it is ignition power.
Posted on Dec 15, 2008
SOURCE: charging problem 1991 volvo 240
14.6 means your voltage regulator or diode is suspect Despite having new alternator .Ive cross refrenced your smptoms in the haynes workshop manual and alternator is your only end answer.The haynes test is to start vehicle with multi meter connected across the battery terminals,increase the engine speed until the reading remains steady should be approximately 12 to 13v and no more than 14v.switch on as many accessories as possible(headlights heater blower radio etc)check that the alternator maintains the regulated voltage at around 13 to 14v.If the regulated voltage is not as stated then alternator is to be repaired/replaced.Good luck with it and a happy new year.
Posted on Dec 29, 2008
SOURCE: my 1996 nissan altima wont
Cables from alt to battery can be deposited/burned/oxidized. In this case battery wont get charged. Also check the alternator connections. Cable might be burned or not tight enough
Also serpentine belt might be not tight enough
Posted on Jan 17, 2009
As the car re-started, the battery is not flat.
The voltages measured indicate a problem with either the power or ground connection in the circuit between the alternator and the battery.
You likely have a intermittent / poor ground connection somewhere in the power system.
Check battery terminals are clean and firmly attached.
Check battery cable and alternator ground connections are intact and in good order.
Posted on Oct 30, 2009
SOURCE: Daughter called me ..car wont
it sounds like you have blown fuse to the Alternator.. I don't know what car you are talking about but they charging systems vary.. But if alternator isn't getting all the power it needs it won't charge. this should be checked.
Posted on Oct 21, 2011
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