200tdi Alternator Upgrade Options? - Page 2 - Defender Source
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  #21  
Old April 25th, 2016, 12:03 PM
Naplm00
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Matthew
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Quote:
Originally Posted by Red90 View Post
That is the normal stock 65 A alternator. Yes, they are fairly common and easy to source cheap. They are calling it 75 A, bit it is the exact same alternator referred to as 65 A that is a stock unit.
Well when I received mine it was marked 75amps not 65 on the test certificate
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  #22  
Old April 25th, 2016, 12:06 PM
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John B.
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It is just different test procedures giving different numbers.
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  #23  
Old April 25th, 2016, 12:07 PM
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It is just different test procedures giving different numbers.
Yea I don't think so
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  #24  
Old April 25th, 2016, 05:20 PM
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Ryan Phelps
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About the only thing worth mentioning is I have a 200amp solenoid that couple the accessory battery to the primary battery was the voltage reaches 13.1 for 1 minute. Primary battery is a 4 year old redtop secondary is a 1 year old yellow top. Both hold a charge and have never been run flat.
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  #25  
Old April 25th, 2016, 06:27 PM
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I've been running the Brit Part DA1195 kit for maybe a year. With heated seats, radio, heater blower, VDO instruments, headlights and wipers on: my EMS2 volt meter drops below 12volts.

Was a bit surprised but I never did the math to see if one of the components was overdrawing. Otherwise no issues with the DA1195 Kit.
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  #26  
Old April 25th, 2016, 09:31 PM
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I would guess something is not right. A bad connection or a slipping belt or bad battery if it does that off idle.
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  #27  
Old April 26th, 2016, 12:55 AM
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Quote:
Originally Posted by BlackField View Post
I've been running the Brit Part DA1195 kit for maybe a year. With heated seats, radio, heater blower, VDO instruments, headlights and wipers on: my EMS2 volt meter drops below 12volts. Was a bit surprised but I never did the math to see if one of the components was overdrawing. Otherwise no issues with the DA1195 Kit.
This is what started happening with mine a couple weeks ago at idle. First clue was I could here the solenoid de-coupling. Prior to that the voltage stayed up around 13.7v at all times.
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  #28  
Old April 26th, 2016, 08:18 PM
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Pulled the alt out today and found one of the windings is fractured at the solder joint to the regulator assembly.


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  #29  
Old April 26th, 2016, 08:48 PM
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Quote:
Originally Posted by RovingRyan View Post
This is what started happening with mine a couple weeks ago at idle. First clue was I could here the solenoid de-coupling. Prior to that the voltage stayed up around 13.7v at all times.


What do you mean by solenoid decoupling? If I had to fess what was wrong it's probably the wipers somehow since that's the straw that breaks the camels back.
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  #30  
Old April 26th, 2016, 09:20 PM
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Quote:
Originally Posted by BlackField View Post
What do you mean by solenoid decoupling? If I had to fess what was wrong it's probably the wipers somehow since that's the straw that breaks the camels back.
I have a dual battery setup that has a solenoid controlled by a voltage sensing relay. When the voltage drops below 13.1 i can hear/feel the relay disengage. ( it is mounted under the driver seat in the seatbox).
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  #31  
Old May 12th, 2016, 08:08 PM
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Shipping ended up being too much so I did not end up returning for warranty purposes. I did however take it to a local auto electric shop and their analysis is that the stator used seems to be too small for the casing. The said that the stator had rubbed against the armature and had additional damage. Their opinion is that it is the incorrect stator. Take this info and use it as you wish. They have an alternator on order for me that is supposed to be the same mount dimensions with a slightly smaller case and rated at 100a.
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  #32  
Old March 18th, 2017, 12:14 PM
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Revival from the dead.......The replacement alternator has now died 11 months later and maybe 8k miles on it. Weather is pretty nasty today but will replace it tomorrow with the spare I bought last year from the local alternator shop. No other changes at this time. Still running the same two optima batteries and dual battery control setup. No more Britpart alternators for me.

Edit: For clarification the alternator that just failed is the second brit part and I will be installing the one I bought as a spare after I installed the current britpart.
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