So ive put a KE55 alternator into a KE20 and its not charging the battery.

 

Ive put this down to the fact the KE55 alternator has an inbuilt regulator, and the KE20 also has an external regulator.

 

Edit: As ive figured out the problem, read on, this post might become of use to others.

Edited June 11, 200917 yr by son of stig

right think ive figured it out, will just make sure theres a wire going from the batt to the alternator, splice the yellow to the charge light wire and throw the external regulator over my shoulder.

I think those with built-in electronic regulators

just need two wires, while those with old external

mechanical regulators need at least three ?

 

Better leave the old regulator at its place, in case

the new alternator gives way and you need to use the

back the old alternator.

took care of it today, keeping the KE55 40A alternator with the inbuilt regulator.

 

there was indeed 3 wires coming from the KE20 alternator with external regulator

one larger white for battery, then 2 (smaller white and a white/green) to the regulator

then the yellow charge light wire from the loom to the regulator.

 

i chopped the yellow and the white/green before the regulator, joined them together, and threw the regulator and other wire away.

 

job done!

definate handy hint!!!!! :y:

 

cheers, scott