Question about 2004 Ford Explorer

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Off and on red battery lite alternator or belt

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I just had this problem on our 2004 explorer. Battery and alternator was replaced, which solved our issue.

Posted on Jul 17, 2010

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1993 chev 1500 gm truck head lites dim and the dash lites stay on

bad battery
bad battery connections
slipping drive belt for alternator
alternator not charging at capacity
take it to an accredited auto electrician for checks

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Red battery lite on

Sounds like a bad alternator.

Apr 05, 2014 | 2007 Mercedes-Benz SL-Class

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Battery lite on,charge gauge dropped below half

Hi, If the belt is good then a visual inspection of the wiring at the back of the alternator is first, give it a wiggle and make sure its sound. If you have a multi meter and you can check battery voltage at the alternator then make sure you have good battery voltage at the main positive terminal at the rear of the alternator(should be the biggest red wire) and then if you can safely check the voltage engine running to eliminate a fault further up. If you have good voltage stood and it doesent change when engine is running then alternator is probably dead.

Dec 09, 2013 | 1993 Geo Prizm

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Battery not charging lite came in

Check that battery terminals are clean and secure,Check battery state of charge.Check Alternator belt,Check Alternator output Voltage and amperage

Feb 21, 2012 | 2003 GMC Envoy Xl

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The most common reason for the battery light is a worn drive belt. Over time, the belt becomes slick and doesn't "grab" the alternator pulley as it should, thereby, not sending the full charge back to the battery. Check the drive belt for cracks or slick spots as well as tightness. A loose belt will cause the same symptoms as a worn belt. If the belt is good, and is tight and you still have a battery light, you may have a bad alternator. There are many service stations including some auto parts stores that will do a free electrical test on your vehicle. Best of luck!

Aug 30, 2011 | 2002 Ford E350

1 Answer

After driving for about an hour both the brake lite and red battery lite illuminated.

based on my past experience your alternator is the problem. replace it immediately and don't try fixing your old alternator for it will just break after a few weeks. hope this helps

Aug 06, 2011 | 2000 Mitsubishi Montero Sport

1 Answer

I have a chevy impala 2002 i put in a new alternator and battery car runs fine but service vehical soon lite keeps poppen on my lites and radio go dull and the battery charge goes all the way to no charge...

The first two things that I would check would be the belt and the tension on the belt. If either are off then you would have this issue.

If that checks out ok, then I would check the power wire that runs to the alternator and also check the ground wire. More often then not I see the belt is either loose and slipping or the belt is not properly tighten down

Jun 13, 2011 | Chevrolet Impala Cars & Trucks

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Air conditioning stopped working an battery light came on

check your charging system, when batterry goes down its automatically shut off your a/c system, alternator and circuit must check

Jun 18, 2010 | 1998 Volvo S70

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I just need to know where the alternator is located on a 2004 dodge neon 2.0L SXT

Fig. View of the alternator after removing the splash shield - 2.0L engines


Removal & Install - 2.0L Engines
  1. Before servicing the vehicle, refer to the Precautions section.
  2. Remove or disconnect the following:
    Negative battery cable Alternator jam nut, loosen only Alternator adjustment nut, loosen only Accessory drive splash shield Alternator lower bolt, loosen only Alternator drive belt Alternator field circuit wiring connector, push the RED locking tab to release Battery positive terminal Upper and lower bolts, move alternator off pivot bracket Pivot bracket Alternator

To install:
Install or connect the following:
Alternator Pivot bracket and torque the bolts to 40 ft. lbs. (54 Nm) Alternator, move it onto pivot bracket Alternator field circuit wiring connector, push RED locking tab in until it snaps in place Battery positive terminal Alternator drive belt Tension the drive belt to 100 lbs. (used) or 135 lbs. (new) Alternator adjustment bolt Alternator jam nut and torque nut to 40 ft. lbs. (54 Nm) Alternator mount bolts and torque the bolts to 40 ft. lbs. (54 Nm) Accessory drive splash shield
Negative battery cable

Fig. Alternator mounting-2.4L engine shown


I hope helps with this (remember rated this help) Good luck.

Jan 05, 2010 | 2004 Dodge Neon

1 Answer

The battery light is on what does that mean

generally, the battery lite will come on due to a charging problem. 1st ck to make sure belt is on and tight. 2nd if you have volt meter, with vehicle running, ck voltage at battery terminals. should be over 13.5 volts, if not, verify there is 12 volt supply to large red wire at alternator. if there is voltage at alternator, but less than 13.5 across battery with it running, replace alternator

Nov 18, 2008 | 1990 Honda Civic

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