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-   -   3.2 Carrera voltage regulator swap - need help (http://forums.pelicanparts.com/porsche-911-technical-forum/1076411-3-2-carrera-voltage-regulator-swap-need-help.html)

Trippyloaf 10-24-2020 06:15 AM

3.2 Carrera voltage regulator swap - need help
 
Hi!

Swapping out a voltage regulator on a 3.2 Carrera. The old regulator only has 1 blue wire. New regulator (Valeo) has a blue and a yellow. There are 2 tabs on the alternator that would make sense for those wires to attach to. Should I attach both even though the old regulator only had 1?

Trippyloaf 10-24-2020 06:16 AM

Quote:

Originally Posted by Trippyloaf (Post 11074864)
Hi!

Swapping out a voltage regulator on a 3.2 Carrera. The old regulator only has 1 blue wire. New regulator (Valeo) has a blue and a yellow. There are 2 tabs on the alternator that would make sense for those wires to attach to. Should I attach both even though the old regulator only had 1?

http://forums.pelicanparts.com/uploa...1603548950.jpg

E Sully 10-24-2020 06:35 AM

This is the back of the original alternator from my 1986 3.2, showing it's regulator that had 2 wires. I don't know when or why the voltage regulators changed, but I would think you should connect both on the new one.
http://forums.pelicanparts.com/uploa...1603549873.JPG

Trippyloaf 10-24-2020 09:00 AM

Thanks - connected both wires and working fine. Not sure why the previous regulator only had 1 wire (blue for the alternator light) and no yellow (B+). Looking at the back of it, it’s not like it was removed - there was never a wire soldered to the tab.


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