Question about Charging & Starting Systems for Mitsubishi Diamante

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Battery and alternator good but it is not retaining enough power to start my car

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How is the starter,also check your fusible link from your positive battery cable,check for burnt or melted wires.Go to Autozone and they will check your electrical system for free.

Posted on Nov 08, 2012


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Car wont turn over and making a humming noise when key is in on position. when i try to start it the car makes a clicking sound.

the alternator isn't charging battery that would account for loss of power and also clicking when try to start , try a jump start if it starts then you know its the battery so with engine running check the alternator charge rate with a voltmeter across the battery terminals anything below 13 volts then check the alternator belt is tight enough , good condition etc , then recheck charge rate if still low fit new alternator

Nov 05, 2014 | 2006 Nissan Altima

2 Answers

The van will not start. I've got battery juice (radio goes on, wipers go on, etc.).

just because the radio etc works does'nt mean that the battery has enough power to turn the engine over ,so try a jump start then get the battery checked to make sure its holding charge. if thats ok get the alternator charge rate checked, as if on the low side the battery will not retain enough power for all the vehicle's components.keep me posted

May 09, 2014 | 1994 Ford Aerostar Extended

1 Answer

My 1997 nissan hardbody charges but not enough to run it I have new alternator and batt wat else could be wrong

Put a voltmeter on the battery when it is running. There should be around 13.5 volts for a proper reading.
A little confused by your request: the battery does not power the car when it is running. The alternator supplies all the power to run everything. The battery is only used to start the car, and is then re-charged by the alternator when running. If the alternator is not putting out enough to run the car, then there might be a loose connection somewhere. Check all battery and alternator connections for clean, tight connections. If good, have the new alternator tested. Sometimes you can get a defective one.

Jan 06, 2012 | 1997 Nissan Pickup

1 Answer

I have a 1997 honda accord and my guages go dead all the lights on the car shut off when i start it then it only stays runing for a couple of sec then dies i tested my altornader and it failed

if alternator is bad you are not getting enough power for the lights etc, just battery power, and that is for starting vehicle if it has voltage. if alternator is good, it should put out at least 13.6-14.2 volts at battery with engine running.battery with car off, at posts should be 12.6 or better at battery. so if alternator is bad it needs replaced. needs proper voltage for pcm also. good-day !

Nov 12, 2011 | 1997 Honda Accord

2 Answers

My car won't start, you hear one click, but nothing, we have to jump it to get to start. The alt. and the batt. and the starter work fine.. Plus our headlights don't work.

If the vehicle need to be jumped then the battery is too weak to start the car.
1. replace battery
2. with good battery start car and check charging system If voltage reads below 13volts possibly the alternator is bad.

Check bulb in headlight ( do not touch the glass part of the head lamp)
a good way to check is replace one with a new one see if it comes on.
If not check fuse for the headlamps ( I am assuming you are talking about low beams)

Jan 01, 2011 | 2002 Toyota Camry

2 Answers

Have A 2003 Kia Sedona and when I turn on the head lights it dies shortly after like i unpluged battery. What do i look for or how do i fix the problem

Check and clean the battery terms..

The car dont have enough power to run the car when lights are on,, or there is a short,,

Battery needs to be tested first.. start from there

Feb 26, 2010 | 2003 Kia Sedona

1 Answer

My car started dying and now hasnt enough charge to start

sound like bad battery cables.replace them.the positive battery cable is old and have a lot of resistance not allowing power to the alternator to charge battery.if battery cable good check alternator connector wires.make sure they are not damage also check alternator fuse and fuse link.turn off radio before removing battery wires so you wont lose radio code.

Nov 29, 2009 | 2000 Mitsubishi Eclipse

1 Answer

Instructions for changing alternator on 1986 Toyota Cressida. Dash lights indicating bad battery came battery starts right up... Problem with alternator????

The light comes on because it is not receiving the proper signal from the electrical circuit. Before you replace any parts take a 1/2 hour and some emery cloth and make sure that all the connections are tight and making good contact. Do the battery cables at the battery and the wires that attach to the alternator, including the plug-ins. Also clean up the ground wire that runs from the battery to the body. If the light is still on then get both the alternator and the battery tested. The alternator should read above 12.5 volts, preferably 13.5 to 14. It might be a new battery but get it "load tested". This is a measure of your battery's ability to retain voltage. A reading in the area of 11 volts after the test is an indication the battery is dying or not big enough to do the job. 500 CCA is a good size for a battery, less is working it harder and wearingit out faster. Hope this helps.

Nov 08, 2009 | 1986 Toyota Cressida

1 Answer

Remove and replace alternator

2000 Ford Truck Expedition 4WD 4.6L EFI 8cyl


4.2L Engine

  1. Disconnect the negative battery cable.
  2. Disconnect 2 alternator and voltage regulator electrical harness connectors at the alternator. To disconnect push-on type terminals, depress the lock tab and pull straight off.
  3. Remove the positive battery cable nut and remove the positive battery cable at the alternator.
  4. Rotate the drive belt tensioner away from the drive belt and remove the drive belt from the alternator pulley.
  5. Remove 3 alternator retaining bolts and remove the alternator.
To install:
  1. Place the alternator on the engine and install 3 alternator retaining bolts. Tighten the bolts to 18-22 ft. lbs. (20-30 Nm).
  2. Rotate the drive belt tensioner away from the drive belt and install the drive belt on the alternator pulley.
  3. Connect 2 alternator and voltage regulator electrical harness connectors.
  4. Connect the positive battery cable to the alternator and install the nut and washer. Tighten the nut to 84 inch lbs. (10 Nm).
  5. Connect the negative battery cable.
  6. Start the engine and check for proper charging system operation.
4.6L, 5.4L and 6.8L Engines


Fig. 1 Detach the connectors from the alternator


Fig. 2 Remove the nut and the battery cable from the post on the rear of the alternator


Fig. 3 Remove the 2 front alternator mounting bolts and ...


Fig. 4 Remove the alternator from the engine by carefully lifting it up and...


Fig. 5 ... out of the engine compartment
  1. Disconnect the negative battery cable.
  2. Rotate the drive belt tensioner away from the drive belt and remove the drive belt from the alternator pulley.
  3. Detach the electrical harness connectors at the alternator assembly.
  4. Disconnect the positive battery cable and remove the nut and washer.
  5. Remove 2 front alternator bolts.
  6. Remove the rear alternator support bracket retaining bolts and the support bracket.
  7. Remove the alternator from the vehicle.
To install:
  1. Place the alternator in position and loosely install 2 front alternator retaining bolts.
  2. Install the alternator bracket and 3 alternator bracket bolts. Tighten to 84 inch lbs. (10 Nm).
  3. Tighten 2 front alternator retaining bolts to 19 ft. lbs. (26 Nm).
  4. Connect 2 electrical harness connectors to the alternator assembly.
  5. Connect the positive battery cable and install the nut and washer. Tighten the nut to 72 inch lbs. (8 Nm).
  6. Rotate the drive belt tensioner away from the drive belt and install the drive belt on the alternator pulley.
  7. Connect the negative battery cable.
  8. Start the engine and check for proper charging system operation.
5.8L and 7.5L Gasoline Engines and 7.3L Diesel Engine
  1. Disconnect the battery ground cable.
  2. Label and detach the connectors from the alternator.
  3. Release the tensioner and remove the drive belt from the alternator pulley.
  4. Remove the alternator retaining bolts.
  5. Remove the alternator from the vehicle.
To install:
  1. Position the alternator and install the retaining bolts. Tighten the retaining bolts to 15-21 ft. lbs. (21-29 Nm).
  2. Install the drive belt.
  3. Attach the alternator connectors.
  4. Connect the battery ground cable.

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

Oct 13, 2009 | 2000 Ford Expedition

1 Answer

2000 Dodge Ram cargo van trouble starting and once started will not keep running tried jumping battery and no change what should we try next?

Sounds like the alternator is bad (not charging). If your battery is good/charged it should run until the battery is drained. If the battery is bad/not charged the car will die as soon as the cables are taken off as there is not enough juice to run the ignition system. If the alternator is good (but battery bad) the car would still run as the alternator makes power to run the car but becasue the battery is dead/drained there is no power to start the car (hense needing the jump). Have the alternator/charging system tested

Aug 09, 2009 | 2000 Dodge Ram 3500

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