Alternator plug - wires

[Dave4RCR]

2006, v6.

I have a bad parasitic draw, around 300-400 milliamps, I was able to track it to the Alt/S fuse, if I remove it would drop to approx 50 milliamps.

I found that if I remove the wire plug from the alternator I get the same effect in my draw.

I see there are 3 wires going to my plug, the purple one goes to Pin1, I was looking for the electrical diagram for my car but I can’t find one with the generator so I don’t know if the wiring looks ok. Found one picture in the internet but it seems to only have 2 wires.

Would anyone know?

Thanks!


<blockquote class="imgur-embed-pub" lang="en" data-id="a/MOwyPXq" ><a href="//imgur.com/a/MOwyPXq">Alternator 4th gen v6</a></blockquote><script async src="//s.imgur.com/min/embed.js" charset="utf-8"></script>

 

[88Center]

Electrical diagram for the charging system / generator (alternator)

4th gen v6 and v8

Alternator pigtail wire locations

 

[Dave4RCR]

Electrical diagram for the charging system / generator (alternator)

4th gen v6 and v8

Alternator pigtail wire locations

Thanks ! This helps !

Weird. My plug and wires are different colors than what the diagram shows. I wonder if something in the wiring could be causing the parasitic draw. The purple wire (Pin1) is the one with no connector.

 

[88Center]

Thanks ! This helps !

Weird. My plug and wires are different colors than what the diagram shows. I wonder if something in the wiring could be causing the parasitic draw. The purple wire (Pin1) is the one with no connector.

Perhaps it could. If in doubt, could probably just replace with OEM. I don't know enough about the electrical to say definitively.

 

[Dave4RCR]

Perhaps it could. If in doubt, could probably just replace with OEM. I don't know enough about the electrical to say definitively.

Thanks, we checked the wiring, it was messy. Put a new plug. Turns out my alternator had bad diodes, causing the parasitic draw, all good now!