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2010 chey express van 4.8 wont charge at idle new battery an alt.

New alt. new battery wont charge under 950 rpm,s

Posted by Anonymous on

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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SOURCE: 96 dodge ram 3500 diesel

Check the large probably 100 amp fuse under the PDC cover. Is this a 12 valve or 24 valve engine? If it's a 12 valve, it may be a bad crank sensor. It tells the PCM to turn on the ASD relay which supplies power to the alternator field.

Posted on Oct 19, 2008

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SOURCE: 1999 Chevrolet Express Van 1500 alternator won't charge

is the alternater set up properly and connected??

Posted on Jan 26, 2009

localwonder
  • 6784 Answers

SOURCE: Nissan Wont hold a charge

Hi. this is defiantly a slow or major drain that is occurring within this vehicle. Here is a test that you can preform that will help you find this battery drain so you can illuminate this issue.



--BATTERY DRAINAGE TEST PROCEDURE--


Using a 12-volt test light, hook one end to the negative battery post the other end to the negative battery cable you just disconnected. The test light will glow or "light" if there is a drain. If the "light or glow" is faint, that is probably normal draw for the clock or computer. If the "light or glow" is bright, then there is a large drain. That should be corrected. Now start removing and replacing the fuses one by one until the light goes out; that one will be the circuit with the drain. Remember to hold in the button in the door jam for the interior lights.


Please rate and god bless:)

Posted on Apr 23, 2009

The GQ
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SOURCE: 2000 Blazer 4.3/ idle control, high idle 950 rpm,

Idle air control valve or a vacuum line has a bad leak of sorts

Posted on Oct 08, 2009

  • 1 Answer

SOURCE: 1999 cadillac sts over charging

on the positive battery cable under back seat is a red device with small orange and bule wires called a thermister controls alt output.this device is no longer availible from gm good news is you can buy a resistor of 1600 ohms from radio shack for lees than a dollar plug it in to connector instead of the thermistor and chargeing goes back to normal. radio, windows ,cruise, control should go back normal also

Posted on Apr 26, 2010

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2 Answers

Charging problem


Check that your alternator is actually charging the battery. With volt meter and car running check for at least 13.5 volts at battery. If not check fuses, big red wire from alternator to battery and for actual output of alternator at bolt where big red wire attaches to alternator. Should have battery voltage with car not running and at least 13.5 when engine is idling(motor running)

Feb 06, 2016 | 1995 Geo Tracker

1 Answer

What curb idle rpm for2003 kia vehicle


idle speed for most modern cars is 950 rpm. Instead of guessing what the problem is try running the fault codes to find which sensor is causing the problem

Dec 19, 2014 | Kia Sedona Cars & Trucks

1 Answer

New battery new alternator battery still wont charge ??


91 , (is the charge lamp glowing key on, (shoe drops)?????
there are many ways to make it stop doing 13.3v to 15vdc running,
lots. ill list them all..
the 2 stated. in blue above. and.
1: bad dash lamp this lamp boot staps the field current or the alternator is born dead. so is it dead key on, , yes, BINGO.

2: bad alt ground, or starter top bolt , ground to battery bad or loose.
3: bad wires to the rear of alt. all 3.
4: bad battery cables. (or just corroded ends or conn. wrong)!!!
5: alt belt loose or missing.
6: engine hot RPM not 750 to 850 Rpm if 500 BINGO.
and more.
http://www.fixkick.com/Charging/charging.html

here is the drawing.
IS the sense wire is dead, not 12vdc.???

http://www.fixkick.com/Charging/charge89.jpg


the reg inside can shut the ALT down for.
over voltage
over current.
or if it THINKS(sic) that the batter internal resistances is too high. for ANY REASON what so ever. it will shut down
these protections prevents the ALt. from blowing expensive electronics (all of it) to kingdom come. $$$$$

its a feature.

Jul 08, 2014 | 1991 Suzuki Sidekick

1 Answer

My 1994 honda passport will not stay charged new altnator and new battery


is the engine running at 800 rpm or more.
if engine RPM is way low the Alternator will die out.
trans light , where is that? name it. exactly
lets focus first on the engine, and RPM
does the dash have a tachmeter, ? yes, then use that.
we keep a hand tachometer (optical , ready for no tach cars)
RPM is everything.... maxwells laws. and such.
1: rpm 800 or more all the time. rule 1, do not skip this.
2: belt to ALT not slipping'
3: battery good. terminals on battery cables tight both ends and
NOT PACKED in green corrosion, .
4: alternator case is grounded good.
5: The connection and ALT, all good.
6: you key on, and the dash charge light must turn on,
if not fix that now, on old cars, the dash light , causes the ALT to self excite, if the lamp burns out the alternator boots up DEAD.
or fails every other car starts. (does)
7: new alt is the wrong alt. zillion wrong ones, only 1 works.

Jan 30, 2014 | 1994 Honda Passport

1 Answer

Charging system voltage low


there are only 3 parts. but the causes are 25 or more.
1: belt missing slipping,
2: engine rpm below 800 RPM (lots of ways ,ask )
3: ALT had.
4: wiring to ALT bad.
5: bad battery or its connections, (wires)
6: bad fuse. see fuse link a11? on fFM page 20?
7: car is PCM alt controlled, it can be bad too. see 2 field wires on ALT and PCM on page 20? below?
8: battery temp sensor bad. making PCM think battery overheats.
the fSM covers all tests above.

pick car here, then pick charging.
5 alternators used on the 5 diffr.engines. got the wrong one?

the see wiring diagrams at end and chapter 20 inside, charge.
pdf page 118 for gas engine, if diesel next few.

Jan 07, 2014 | 1998 Jeep Cherokee

1 Answer

1999 acura vigor battery light


this is a charge light, but shows an ICON of a battery.
it glows for 2 or more reasons.
1: belt to alternator snapped or is slipping.
2; ALT is dead.
3: connectors from alt to battery , rusty (corroded)
4: battery is bad. (some very odd batteries can do this, rare like)
5: engine idle speed RPM way too low, 800 is normal.

easy peasy cheezy

Nov 26, 2013 | 1994 Acura Vigor

1 Answer

Why doesn't it charge at idle?


It depends if the system is RVC/regulated voltage control. If so, there are about six modes of operation. One is, "fuel economy mode". In that mode, the targeted generator out-put is 13 volts and battery state of charge is greater than 80%. There are two other conditions.
Is there a battery discharge problem? Does the instrument cluster give charging system message or warning lamp?
Any charging system trouble codes? My info on your charging system is limited.

May 02, 2013 | 2010 Chevrolet Express Passenger

1 Answer

ALTERNATOR wont charge


What is the idle speed? Are you sure the belt is routed correctly?

Apr 26, 2013 | 1993 Mazda MX-3

2 Answers

2006 chevy 2500 express cargo van .What is a good oil pressure for this van. it has 150,000 miles runs great


60psi cold / 30-45psi warm is ideal. I've seen (with that mileage) 45 cold/ 20 warm and that's acceptable - anything less start thinking about a new oil pump.

Mar 24, 2011 | 2006 Chevrolet Express

2 Answers

1998 k1500 5.7l 105a alternator. replaced


Now change the sulfated batery for a new one.
Vitally

Sep 09, 2009 | 1998 Chevrolet K1500

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