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 Post subject: Testing an 8TR Regulator
PostPosted: Sat Sep 22, 2018 10:54 am 
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848cc
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Joined: Wed Oct 21, 2009 1:38 pm
Posts: 206
Location: Sunshine Coast
I have a couple of 8TR regulators and would like to test them before moving them on. Is there any way that I can do this using a multimeter?


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PostPosted: Sat Sep 22, 2018 12:28 pm 
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1360cc
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Joined: Wed Oct 03, 2007 9:04 pm
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Location: Melbourne, VIC
Like you I have a couple that I'd like to test. When I researched this previously I came to the conclusion from various Lucas and other documents that they can only really be tested in position with the alternator. They need a load to be introduced and removed (headlights, heater, etc.) to check correct operation.

If there's a simple alternative I'd love to hear it.

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PostPosted: Sat Sep 22, 2018 2:58 pm 
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848cc
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Joined: Wed Oct 21, 2009 1:38 pm
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Location: Sunshine Coast
Thanks Doug. Greg and I also believe that we should just swap them out with another car and see if they work. Problem is that’s a three hour round trip to his place! Probably the right solution though.


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PostPosted: Sat Sep 22, 2018 3:30 pm 
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Joined: Fri Mar 19, 2004 6:19 pm
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Location: near Baulkham Hills, NSW
Maybe you could post up to Convertible Mini for testing?

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PostPosted: Sat Sep 22, 2018 9:22 pm 
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848cc
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Joined: Wed Oct 21, 2009 1:38 pm
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Location: Sunshine Coast
Thanks Kevin, that is certainly an option. However his (or any other auto sparky) costs would probably be more than the part is worth.

I was hoping for an easy solution because I don’t want to sell something on eBay/Gumtree that is faulty. Ultimately I’ll probably just have to wait until I go to Greg’s place where the cars are or just put them back in the spare parts bin for a while.


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PostPosted: Sun Sep 23, 2018 10:44 am 
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1275cc
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If i was looking to buy one on ebay then having it tested on a car would be all the proof i need.


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PostPosted: Sun Sep 23, 2018 7:58 pm 
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1275cc
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Joined: Thu Aug 31, 2006 7:56 pm
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Location: Muswellbrook -- NSW
I have taken both my alternator and regulator to an auto electrician some years back and they tested them for me , ( 1 option ) , as others have said , testing them on a car would be the easiest way for sure , I have 3 here that aren't working unfortunately .

I am after a spare if you happen to have a working one :wink: .


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PostPosted: Wed Sep 26, 2018 7:13 am 
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1275cc
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Joined: Thu Dec 09, 2004 6:57 am
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Location: JIMBOOMBA QLD.
Regulators are easy to test on a test bench. BUT you have to make sure you wire them up correctly to a known GOOD alternator as you can easily blow them up in the process.

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