CS 130 wiring

New Mexico Kid · May 30, 2014

Hi All, I picked up a delco remy cs130 to begin my 12v conversion and of course i have some questions. Can i still use my 4 post starter solenoid? Do i need an ammeter? How do i wire up the alternator? I have the resistor for my coil and a good battery. Will have to fab up bracket which i will enjoy. Any thing else im missing?
Thanks.

JMOR · May 30, 2014

(quoted from post at 09:42:50 05/30/14) Hi All, I picked up a delco remy cs130 to begin my 12v conversion and of course i have some questions. Can i still use my 4 post starter solenoid? Do i need an ammeter? How do i wire up the alternator? I have the resistor for my coil and a good battery. Will have to fab up bracket which i will enjoy. Any thing else im missing?
Thanks.

olenoid has nothing to do with charging circuit & 12v won't hurt your 6v solenoid. Ammeter is optional & your choice. You need a power wire switched by ignition switch with about a 100 Ohm, 1 Watt resistor in series, feeding the "L" terminal of the CS130. You also need a wire from the output stud on rear of alternator to the battery, usually via the battery cable post on the start solenoid. Belt & matching pulley.

sunbeam · May 30, 2014

If you have a charge light just wire it in the line from the switch to the alternator.

souNdguy · May 30, 2014

Not sure if advise that generic approach on a cs130

my info sheet says a minimum if 15 ohms, upwards to 45, likely more would work. But I sure would not lowball it under 15

New Mexico Kid · May 30, 2014

Ok, so I will be running a wire from bat terminal of starter solenoid to my alternator bat terminal, then run from L terminal of alternator to a 45 ohm resistor to warning lamp to ignition. Switched side of ignition is going to 2nd small terminal of starter solenoid which feeds coil and i need to put ballast resistor in series before coil. Sound bout right?

JMOR · May 30, 2014

(quoted from post at 19:56:56 05/30/14) Ok, so I will be running a wire from bat terminal of starter solenoid to my alternator bat terminal, then run from L terminal of alternator to a 45 ohm resistor to warning lamp to ignition. Switched side of ignition is going to 2nd small terminal of starter solenoid which feeds coil and i need to put ballast resistor in series before coil. Sound bout right?

With luck on your side it might work. It is not what any one of the 3 of us suggested, but rather a pick & choose/mix & match .

New Mexico Kid · May 30, 2014

I guess i got it wrong. Could you explain what i need to do to get it right.

JMOR · May 30, 2014

(quoted from post at 21:12:40 05/30/14) I guess i got it wrong. Could you explain what i need to do to get it right.

ne suggested the lamp in series, two suggested resistor in series, but you described BOTH the resistor & lamp in series. Lamp depends of which lamp/bulb as to whether it will provide enough current to excite the alt. If you go with lamp, you can forget the resistor.
Then if not enough current, you can rework.

New Mexico Kid · May 30, 2014

Okay, I will use the resistor only. Did the way i explained how I
was going do the wireing sound right. Would there be any
reason to add any fuses to or from alternator? Thanks for the
advice.

JMOR · May 30, 2014

(quoted from post at 21:38:20 05/30/14) Okay, I will use the resistor only. Did the way i explained how I
was going do the wireing sound right. Would there be any
reason to add any fuses to or from alternator? Thanks for the
advice.

Switched side of ignition is going to 2nd small terminal of starter solenoid which feeds coil and i need to put ballast resistor in series before coil. Sound bout right?"
Sounds ok. Never used fuses on these old tractors unless for lights. Figured wires were fuses , I guess.

CS 130 wiring

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