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alternator questions [ the brown wire has voltage

Southbound

Freshman Member
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I hope someone can help...I have a 75 tr6 and have a question about the wires running to the altenator. There is a small wire it's brown coming from the altenator. I think is for the ignition warning light but when I disconnect it from the altenator I get 12 volts with my meter when I attach it to the disconnected wire.
Whats up with that? When I leave it connected the ignition lite stays lit even with the keys out and off.
I appriciate your help
 

kodanja

Obi Wan
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welcome to the forum Southbound

this subject has and is being discussed in many threads, look around and im sure youll find the answers

heres a pic of mine when it was working
DSC03398-1.jpg
 

kodanja

Obi Wan
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its not
 
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