Hi,
I'm having a issue with my bosch alternator not supplying enough charge.
With the engine running i am only getting 11.9 volts to the battery no difference if the engine is idling or at 3000 revs, I checked this on the back of the alternator and got the same readings.
I swaped the voltage regulator on the back of the alt with one from the wreckers and got the same result.
I believe i should get 13-14 volts is this correct?
Is the alternator itself stuffed?
Alternator not charging.
Started by
derrin71
, Sep 27 2010 06:07 PM
7 replies to this topic
#1
derrin71
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Posted 27 September 2010 - 06:07 PM
#2
FastEHHolden
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Posted 27 September 2010 - 06:16 PM
Back probe the white wire on the plug (sense wire) to see if it equals the battery voltage.
#3
_luv the uc_
_luv the uc_
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Posted 27 September 2010 - 06:27 PM
I would hazard a guess and say you dont have a charge light on your dash. The system needs this to charge.
#4
_hutch_
_hutch_
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Posted 27 September 2010 - 07:32 PM
The other thing you should do is to make sure the W/L globe is only 2 watts,the sence wire goes to battery +,it is a small red wire at the battery + terminal on the VP
#5
FastEHHolden
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Posted 27 September 2010 - 07:40 PM
sorry to mislead....memory failing...its white on VS V6
#6
_hutch_
_hutch_
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Posted 27 September 2010 - 09:13 PM
yup with a red trace and a red fusible link on the end, brown maybe
#7
TerrA LX
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Posted 27 September 2010 - 09:28 PM
Is the sense wire hooked up?
#8
derrin71
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Posted 28 September 2010 - 03:56 PM
Had a win!!! I forgot to mention that i am fitting a Dakota Digital dash which has no warning alternator warning light, it just senses system voltage through it's power feed. I looked back to the instructions i was sent by Castlemaine Auto Electrics who did my wiring loom and it says to fit a warning light, i must have ignored this as i probably didn't think it was important. First i tried to fit a led warning light but this made no difference. I then pulled the original warning light bulb and holder out of my original dash, wired it in and, success, 13v at idle 14v at 2500 rpm.
Thank for the help guys.
Thank for the help guys.
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