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Old 07-10-2017, 08:29 PM
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waynieZ waynieZ is offline
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Default altenator confusion

First excuse me if I muck up posting these pictures, I'm trying out Image Shack

I have a question I got this alternator with my LSA connect and cruise kit, it has 3 posts in the connector but the harness came with a 2 pin connector. I read that the new alternators are more like generators in the way they work and that is what is on the tag for the Alt. it says Gen. I'm trying to figure which alternator is supposed to be with my kit. I send an E mail to the dealer I bought it at, but figured I would check here.

Difference in alt to connector.




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Last edited by waynieZ; 07-20-2017 at 11:07 AM.
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Old 07-12-2017, 04:52 PM
jimmythehand jimmythehand is offline
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i just checked my LSA (connect and cruise) alternator and mine has 4 pins, i haven't opened the harness yet so i don't know if they match up.
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Old 07-12-2017, 05:41 PM
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That's what happened to me I never looked at both together to notice the difference. I was at the Chevy dealer today for some parts and asked if he could check the C&C kit to see what alternator they recommended, he said he didn't have access to the performance catalog. Go figure!
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Old 07-12-2017, 05:58 PM
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LSA Connect and cruise instructions state that the use of the alternator control is optional and then they toss in this warning:

NOTE: If you are using the Chevrolet Performance or production LSA generator DO NOT plug in the generator control wire into the generator. This will result in the generator defaulting to only an 8 volt output above 3000 RPM.

I think you will be better off using the alternator you have and wiring in the appropriate plug. Holley sells one if you are unsure what plug to get.

Instructions here:

https://static.summitracing.com/glob...l-19257456.pdf

Don

Last edited by dhutton; 07-12-2017 at 06:02 PM.
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Old 07-12-2017, 06:28 PM
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Thanks Don. The instructions for the E Rod are very different from mine.
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Last edited by waynieZ; 07-12-2017 at 06:34 PM.
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Old 07-12-2017, 06:31 PM
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Memory is fuzzy but I went through this last fall.

You got the right alternator for the kit but it won't work with that (GMPP) ECM as that alternator needs a PWM signal in order to regulate voltage.

GMPP solution of leave it unplugged and it will run at 13v was not acceptable to me.

We used a AC Delco 25766345 alternator for a 05-07 CTSV and wired that to the ecm and it charges at 14.6v It has the same connector as your current alternator but only 2 pins in the middle.

More info here. https://ls1tech.com/forums/conversio...or-wiring.html
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Old 07-12-2017, 07:52 PM
dhutton dhutton is offline
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Quote:
Originally Posted by waynieZ View Post
Thanks Don. The instructions for the E Rod are very different from mine.
Pretty sure the alternator wiring is the same...

Don
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Old 07-12-2017, 08:14 PM
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I agree Don.
What size wire are you guys using for the charge wire to the Batt.
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Old 07-12-2017, 08:40 PM
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Quote:
Originally Posted by waynieZ View Post
I agree Don.
What size wire are you guys using for the charge wire to the Batt.
I used the wire that came with my AAW Classic update kit. Not sure of the gauge.

Don
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Old 07-13-2017, 08:44 PM
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I hadn't looked in my AAW harness box for so long, I forgot it was in there.
Thanks for reminding me it was there.

I called GM Performance today and tried to get through but when I put my customer # in it didn't recognize it and wouldn't let me through. Maybe someone who got theirs more recently could get through.
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Last edited by waynieZ; 07-13-2017 at 08:47 PM.
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