Question about 2000 Ford Expedition

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2000 Ford expidition lights pulse when engine is running. New alternater new battery. What can cause this?

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Two main things can cause this to happen. One check your alternator belt and make sure it is not loose. Second have the voltage regulator checked, most are built into the alternators now a days. Even though yours is new the regulator may not be working properly. Never assume just because it is a new one that it works since most 'new' alternators are rebuilt and not brand new.

Posted on Nov 17, 2009

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I replaced the alternater battery and 2 fuses and my battery still will not chargeand will not run after startin and disconnecting battery


Hi John, have you measured the battery voltage? Was there sparks when you connected the battery? Are the fuses still intact? Either you have a bad connection or a short, but if all that is fine, and the problem is only with starting, then it could be a solenoid issue, that is a coil driven device that allows high current to the starter motor. I would also check with a current clamp if any current is being drawn while engine is off, or if it is charging when engine is running.

Hope this helps, good luck!

Nov 14, 2014 | 2000 Ford Focus

1 Answer

New battery alternater new in march battery light still on


start engine ,disconnect neg battery terminal if engine stops renew the alternator ,if it keeps running take the alternator back if its still under warrenty as it will be the warning light control inside the alternator

Dec 30, 2010 | 2000 Oldsmobile Alero

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F350 2004 6.0 brand new alternator not charging new batteries , battery light stays on , what could I be missing?


Just cause its a new alternator does mean it should work. I would check the charge when running cause it could just be a bad alternator.

Nov 25, 2010 | 2003 Ford F350 Super Duty DRW SuperCab

3 Answers

2000 Ranger, new rebuilt alternator, new battery -


Jump start this truck if possible and do this with a volt meter. While the engine is running connect the red terminal of the volt meter to the negative terminal of the battery. Take the black probe to the volt meter and connect it to the positive terminal of the battery. The reason why is to test the diode if its any good. If you get a reading of voltage the diode is bad and will not let the altenator charge your battery. The diode is made for DC current to run one direction. If runing both ways no charge will be directed to the battery

Mar 23, 2010 | 2000 Ford Ranger SuperCab

1 Answer

Have some heat in 2000 ford expidition but not


have your heater core pressure checked. it maybe clooged even though you had system flushed. additionally did you buy the correct thermostat? the computer is a sensitive thing and alot of other components are activated because of the temperature. the opening temp is 188-195 degrees. so you should have bought the 185 degree thermostat. i had same problem and bought the higher temp thermostat. i couldn't believe that such a small change would make a big difference. good luck.

Jan 26, 2010 | 2000 Ford Expedition

2 Answers

2000 ford expadition battery/alternater problem


I have a 2000 Ford Expodition, After changing the alternator for the third and final time, I jump started it several time till I could get it to a repair shop, the owner looked at several things and did a few test. then replaced the #1 fuse a 20Amp Power point fuse that was blown. it has worked fine ever since. BTW he did not charge me anything, made a new firend and customer.

Oct 19, 2008 | 2000 Ford Expedition

1 Answer

2000 ford expidition


You may have a failing Mass Air Flow sensor, a quick test is to unplug the connector and drive the truck, if it runs better well their you go, the way this works is that the engine processor has failure mode strategy build in, so it substitutes a good signal for the missing one. After that just clear the codes and replace the sensor. The other issue may be fuel pressure, check the pressure and make sure it is ok under a load, a new fuel filter would poss. cure the issue also.

Jul 05, 2008 | 2000 Ford Expedition

1 Answer

Battery light comes on and stays on


Does it have a brand new alternator and battery? It definetly sounds like an alternator. Look for shorts and check the power cables connections and ground.
Thanks,
Lee

Jun 17, 2008 | 2000 Ford Focus

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