alternator wiring

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Madmark

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Aug 13, 2014
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I'm fitting an alternator on my grey Fergie. Now what are the wires d+. And w. For I know one goes to warning lamp but wich one and what's other for
 
The one to the warning light is usually thinner as it carries a low current.http://www.autoshop101.com/forms/alt_bwoh.pdf

Attached is wiring diagram of similar unit (D+ is a stud terminal on your alternator, not lucar blade)
B+ connects to Battery +
D+ is warming light and must be connected via a warning bulb and ignition switch to the Battery +. Without D+ connected the alternator will not charge.
W (or ~) is AC tap for tacho
 
Last edited:
I'm fitting an alternator on my grey Fergie. Now what are the wires d+. And w. For I know one goes to warning lamp but wich one and what's other for

That's going to transform that tractor :clap I have done quite a lot of work on the early fergies is it a petrol TVO or diesel.
 

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