alternator

SD diesels were widely available in the US in the 1981-86 Datsun/Nissan 720 pickups, and in Canada through '87 in the D21 pickup.

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81datsun
Posts:1
Joined:4 years ago
alternator

#1

Post by 81datsun » 4 years ago

im trying to replace my alternator on a 1981 sd 22 diesiel in a 720 truck.
the thing is im not sure how and where the wires hook back up on the back of the alternator.
could i get some help on that?
or even just a pic of one installed?

waynosworld
Posts:519
Joined:7 years ago
Location:Vancouver Washington USA

Re: alternator

#2

Post by waynosworld » 4 years ago

81datsun wrote:im trying to replace my alternator on a 1981 sd 22 diesiel in a 720 truck.
the thing is im not sure how and where the wires hook back up on the back of the alternator.
could i get some help on that?
or even just a pic of one installed?

There should only be 4 wires, 2 of them in a plastic plug that goes in the plug hole, a large white wire going to the main output post, and a main black wire that grounds to the body of the alternator, that is about it.
Unless you are trying to put a different alternator on your truck from something else, or you bought a newer alternator that has 3 wires in the plug, I have no idea about that, there was someone else on here with that issue, but I don't know which thread it was, but they bought the alt. on ebay.
I know the voices are not real,
but they have some really good ideas.

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