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Author: Subject: Nippon Denso alternator connections
Steve Lovelock

posted on 21/4/08 at 04:28 PM Reply With Quote
Nippon Denso alternator connections

Hello,

I have a Nippon Denso alternator but can't work out the connections to it from my wiring loom. I am using a Vicki Green loom from Robin Hood and it has three wires to the alternator. One is a very heavy duty brown wire which I have attached as in the picture. The other two are brown and brown / yellow. Any idea on how I can connect them?

Regards
Steve

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Steve Lovelock

posted on 21/4/08 at 04:31 PM Reply With Quote
Now with photo, I hope Rescued attachment DSC02010ad.JPG
Rescued attachment DSC02010ad.JPG

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mitch2b

posted on 21/4/08 at 05:05 PM Reply With Quote
Hi Steve
hopefull this will help

http://community.rhocar.org/index.php?showtopic=18584

half way down page theres a link to another post with diagrams on

Mitch

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Steve Lovelock

posted on 21/4/08 at 07:43 PM Reply With Quote
Thanks Mitch, will try that.
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muzchap

posted on 21/4/08 at 08:39 PM Reply With Quote
Steve, if it doesn't U2U me - I wired one of these up and have the details somewhere





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If you believe you're not crazy, whilst everybody is telling you, you are - then they are definitely wrong!
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Steve Lovelock

posted on 22/4/08 at 08:09 PM Reply With Quote
Well I followed the link to Robin Hood and realised that I shouldn't have had a permanent live and that I needed to power the lead from the dashboard lamp. Sorted those and then ran the engine and it worked perfectly, thanks.
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mitch2b

posted on 23/4/08 at 05:30 AM Reply With Quote
looks like you had the same problem has me Steve, cost me a new regulator

cant understand why one wires perminant live though?, looks like another VGreen trait !!!!

Mitch

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02GF74

posted on 23/4/08 at 06:50 AM Reply With Quote
helpful except I can't view the LH forum photos.

B+ is main charge out.

what is A,B and C for?






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Steve Lovelock

posted on 23/4/08 at 10:24 AM Reply With Quote
Here are the pictures.

I used the b & c terminals, not sure what way round but it would only work one way.

Mitch, not really sure if the charging part is working yet as I haven't tested that. The ignition light goes out at the charging circuit is showing 14 Volts when the engine is running and also not running. As there was no difference I was a little curious but I could only test it at tick over so I will look into it further later on. Rescued attachment Denso2.gif
Rescued attachment Denso2.gif

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Steve Lovelock

posted on 23/4/08 at 10:25 AM Reply With Quote
Two wire picture Rescued attachment Denso1.gif
Rescued attachment Denso1.gif

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Laikathedog

posted on 29/10/16 at 10:04 PM Reply With Quote
hi. i have the three wire denso

i have found a diagram that shows that
a - swtiched live
b - live from battery post
c - to warning lamp

but it does not switch off the lamp or charge

[Edited on 29/10/16 by Laikathedog]

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britishtrident

posted on 29/10/16 at 10:43 PM Reply With Quote
Rover Mazda and Honda used that model in the late 1990's early 2000's

One of the small terminnals ISTR the centre but not 100% sure is a square wave duty cycle signal to the ecu it is not required for everything to work.

Denso Alt Duty Cycle Idle
Denso Alt Duty Cycle Idle


The other small terminnals are warning lamp and battery voltage sensing.





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britishtrident

posted on 30/10/16 at 02:23 PM Reply With Quote
Correction --- alternator rear view

Denso
Denso






[I] “ What use our work, Bennet, if we cannot care for those we love? .”
― From BBC TV/Amazon's Ripper Street.
[/I]

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