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IS IT POSSIBLE TO REPAIR A ALTERNATOR

Alternator vauxhall combo IS NOT CHARGING BATTERY BEFORE I REPLACE IT WHAT ARE THE THINGS THAT I SHOULD CHECK

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Take the alternator out and bring it to an alternator shop or electric shop to have it tested. They can confirm by testing the alternator with bench electric equipment if it is actually working. It is possible to swap out the alternator with an alternate OR have the alternator rebuilt for a nominal fee.

Posted on Feb 06, 2010

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Posted on Jan 02, 2017

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How do I fix my Vauxhall combo van 03 plate the battery is showing it charging it will run all day but if you turn it off the battery goes flat in about 15 to 20 mins but if I disconnect it the battery...


Could be a shorted/failed diode in your alternator.

Don't how accessible it is in your van but if possible, use a meter (Chinese have made them affordable) across the battery terminals and quickly remove the heavy cable from the alternator and watch the meter reading.
If it is still falling quickly, the alternator is likely OK and something else is causing the drain.

Most Digital Multimeters have a separate 10 Ampere range via a separate, marked jack; the black lead stays put, the red lead goes to the 10A jack.
Remove the negative battery cable, connect the black lead to the battery terminal, quickly touch the red lead to the loosened battery clamp; this is normally protected by an internal fuse which may blow if the current is well above 10 amperes.
If it doesn't blow. attach the leads so you can start the next step.

This will be a systematic removal and replacement of each fuse, one at a time, until the current reading drops to a low value on the meter indication.
Milliamperes, not normally seen on this meter range, are normal.

If this works, you have narrowed down the culprit to a specific circuit and at that point, you are on your own.

Good luck-

Feb 21, 2015 | Vauxhall Cars & Trucks

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Vauxhall vectra alternator


Hi dude, what you need to do is get or borrow a multimeter and check the charge firstly of your battery just battery, then start your car, you should have roughly 12volts battery, then 14volts when car is running, give your battery a voltage drop test also to see if it holds charge. What type of car is it as this is important petrol or diesel.

Apr 17, 2014 | Vauxhall Vectra Cars & Trucks

1 Answer

Why does the 20 amp fuse for the glow plugs on my 2000 vauxhall combo 1.7d ( isuzu engine ) blow when i turn on the ignition


Check each glow plug lead for earthing. This could be the lead chaffing against something on the engine block. Alternatively, remove all glow plug leads and replace them, one by one, starting the engine after each lead is re-fitted, until you find the faulty one

Oct 06, 2012 | Vauxhall Cars & Trucks

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Hi my vauxhall combo 1700 di 54 plate wont start


I'D REPLACE THOSE SENSORS OR REPAIR THE WIRING WHICH EVER IS THE CAUSE. YOU NEED A LIVE DATA SCANNER TO DO THIS REPAIR MOST LIKELY. THAT MEANS THE DEALER.

Oct 05, 2012 | Vauxhall Cars & Trucks

1 Answer

Battery loseing charge have changed alternator and had new battery but its still loseing charge


There is something using the battery power once you are parked.
Check your radio is off, interior Lights are off (check all bulbs) check exterior lights are off (check all bulbs) Check nothing is plugged into the ciggerette port

May 12, 2012 | 1987 Vauxhall Astra

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Alternator is not charging battery. already replaced alternator. sometimes it charges sometimes it doesn't. also replaced the battery. is there something wrong with the computer


Your car computer will have very little to do with how your battery is being charged. The most obvious thing to check first is that you have good 'clean' contacts to your replacement alternator and battery which I assume are either new or reconditioned: the issue you describe has been caused many times by just loose or corroded contact! To ensure that you have working replacement parts: 1) With engine off, measure the voltage across your battery terminal with a good digital multimeter: should read above 12 Volts. If it reads around 10.5Volts, you have a bad battery with possibly a shorted cell. 2) With engine running, the reading across your battery terminals should now read around 13.8Volts: under this voltage or above 14.5volts, you have a defective alternator or more likely a faulty voltage regulator in your alternator. An over voltage condition will eventually 'fry' your battery by bubbling away your battery fluid (so please also check your battery fluid level). Hope it helps: let me know how you go!

Mar 30, 2010 | 1999 GMC Sonoma

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New alternator (actually 2 new) no charge


Find a friend with a heated garage that you can use first off, then locate the short that may be causing all this. Unless you have a bad battery? If its more than 3 years old, replace it. Batterys are cheap. WALMART has em under 89 bucks for most vehicles.

Dec 20, 2008 | 2004 Jeep Grand Cherokee

2 Answers

Charge light flashes and becomes solid when my mazda 626 idles


If the charge light is flashing, then staying on, there is something wrong w/ the charging system. Most parts stores offer a free check of your charging system. Have it checked out, there's a good chance u need a new alternator. Let me know what u find. Good luck!

Nov 16, 2008 | 1995 Mazda 626

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