need help with wiring 2nd alt

[hawthorne121413]

I tore down my cucv last August and forgot to take pics now I dont remember how the second alternator was wired up ive got the plug the ground but I have a 24v wire and a 12v wire and one terminal do they both go on the same terminal or somewhere else or did I get the wrong alternator. The one I got is 108 amp with the female plug ground post and pos post and the little nipple. I really could use the help

 

[Warthog]

Post #144 of the Alternator sticky

http://www.steelsoldiers.com/showthread.php?54292-CUCV-alternator-symptoms-diagnosis-and-fix

You more that likely have the wrong alternator. The GEN2 (passenger side) has to be an isolated ground alternator or it will not work and you will see BIG fireworks as your truck possibly burns to the ground.

 

[hawthorne121413]

It is the right alt it has the grounded case I just dont know where the 12v red wire goes or the 24v red wire go

 

[hawthorne121413]

Sorry ment isolated ground

 

[doghead]

The correct alt is a 100 amp(not 10.

 

[Warthog]

Post #144 of the above link show where the wires hook up.

 

[hawthorne121413]

What page is it on and I doubled checked its the 100amp I started looking but couldn't find if so far dont know if I over looked or not. Oh one more question are the oil pressure sensors known for going out. I just rebuolt my engine after thecrank whent out and the oil light comes on at idel and its to the full mark on the stick and has a new oil pump

 

[Warthog]

Open the thread and look for post #144. It will be on the last page.

Or I will do the work for you.

 

[hawthorne121413]

Thank you sorry it just was confusing me bc the red white connects to ground terminal

 

[Warthog]

That is because if the 12v/24v system. The 12v from GEN1 feeds into the "isolated ground" of GEN2 and combines with the 12v that is generated by GEN2 and outputs 24v (12v+12v=24v). if the GEN2 does not have the "isolated ground" the system would not work as designed.

on GEN2 don't think of it as a ground terminal. Instead think of them as the "input" terminal and the "output" terminals.

 

[doghead]

I would think calling it a Negative terminal(negative to the rear battery) would be less confusing.

Just like the battery cables(are connected).

 

[hawthorne121413]

Ok last question the diagnostic plug for alt 2 where does the wire go or should say whats it conected to I know where it goes on the alt but for some reason when I taped the wires off it wasbt in the bunch and I cant find it where should I start to look?

 

[hawthorne121413]

[Nvm disregard lsst comment