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Alternator

  • Daft Waders
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04 Jul 2015 10:06 #147152 by Daft Waders
Alternator was created by Daft Waders
As far as I can tell I have what they call a "lazy alternator", batt light is on when ticking over, goes off over 2500 rev

To me it's just a piece of metal with a belt attached :blink: , the problem is not getting it off (got some scanners :laugh: ) but what one I put in its place ?

Seen them on e-bay for just over £100 but the connection is on the side not on the back, is this a problem, are they crap or an I looking at the wrong ones

Please help me coz only have little charge left :laugh:

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  • mickt
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04 Jul 2015 10:48 #147155 by mickt
Replied by mickt on topic Alternator
When the light "goes off" does it stay off when the car then goes back to idle speed? Have you a voltmeter or hand held switchable electric meter? If so select "dc volts" in a range to cover your cars output(should be max 15volts or so) and check the alternators output. Hopefully it will show about 14.4 volts when the light is out. If so the alternator is OK. You can check your battery voltage too using the meter before you switch anything on to check how it is but that is not a total check of the battery. You will need a load meter to do that. Most garages will do that check for you if you are nice to them!

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04 Jul 2015 11:32 #147160 by Daft Waders
Replied by Daft Waders on topic Alternator
No Mickt the light comes back on below 2500. I've got a multi meter somewhere in the man cave, will have a look, thx

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04 Jul 2015 12:13 #147165 by facade
Replied by facade on topic Alternator
The main connection is on the side, a bolt & ring, then the plug goes in the back

Look for 101211-0720, Lucas LRA1739 LRA1836 HELLA JA1293

If you take yours off, (not as easy as it looks BTW) and remove the tin can off the back end you may find that mud has got into the brushes, and you can fix it.

You will never get the main body apart, so don't try.

If it suddenly breaks, go back to the last thing that you did before it broke and start looking there :)
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04 Jul 2015 12:13 #147166 by Busta
Replied by Busta on topic Alternator
Alternators can be repaired, normally for a lot less than the cost of replacement, normally about £30. Find a local motor rewinder!
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04 Jul 2015 12:25 #147168 by Daft Waders
Replied by Daft Waders on topic Alternator
Thx all for the quick response, looks like there more than a piece of metal with a belt attached :laugh:

Will take it off, wish me luck I'm going in ;)

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