10 SI to 12 SI
Thread Starter
Racer
Joined: Sep 2016
Posts: 312
Likes: 12
From: Tipton In.
10 SI to 12 SI
Getting ready to change my 10si alternator over to a CS144 on my 75. What I need to know is how to wire the 4 pin connector on the CS144 to the 2 pin connecting wiring that was on the 10si. Thanks Larry
Last edited by truckerlary; Dec 1, 2017 at 02:15 PM.
Thread Starter
Racer
Joined: Sep 2016
Posts: 312
Likes: 12
From: Tipton In.
I rewrote my question. It is a CS144. My NAPA guy gave me the wrong alternator. But since I have it I'm going to try and make the 144 work as I can use the extra output. So the question is still needing answered, Or do I just need to order the adapter wire with the resistor?
Race Director
Joined: Apr 2007
Posts: 11,152
Likes: 890
From: South Western Ontario
Yes, you might as well get the adapter harness with the resistor. The ammeter equipped cars switched 12V directly onto the brown wire and the CS144 is expecting there to be a resistance on that wire.
If you had a charging indicator light then you could just wire red to S and brown to L.
If you had a charging indicator light then you could just wire red to S and brown to L.
Racer
Joined: Sep 2001
Posts: 352
Likes: 51
From: Austin TX
You've made a good choice by using the CS144. Here is a link to some pics and info on my swap from August.
https://www.corvetteforum.com/forums...-light-on.html
I didn't bother with an adapter plug because I had pulled mine from the local pull a part yard and had grabbed the pigtail as well. Spliced my wiring directly into that.
Easy install and a great upgrade. Will allow you to run relays and better power to the headlights. Also allows for an electric fan, fuel injection, etc.
https://www.corvetteforum.com/forums...-light-on.html
I didn't bother with an adapter plug because I had pulled mine from the local pull a part yard and had grabbed the pigtail as well. Spliced my wiring directly into that.
Easy install and a great upgrade. Will allow you to run relays and better power to the headlights. Also allows for an electric fan, fuel injection, etc.
