57 farmall cub

Ausinter · Mar 13, 2010

replaced a leaking coil with a non resistor one does it need a resistor.no markings on old one

EVILBOWEVIL · Mar 13, 2010

6 volt battery no resistor
Ron

Ausinter · Mar 13, 2010

sorry ron 12 system

EVILBOWEVIL · Mar 13, 2010

probably needs a ballast resistor
6 volt systems no resistor
12 volt needs a ballast resistor or coil with resistor built in
Ron

EVILBOWEVIL · Mar 13, 2010

check voltage at coil with switch on if less than 9 volts then there is a resistor somewhere in the system.
if 12 volts it will start better but coil won't last
best way is when starter is engaged resistor is bypassed sending 12 volt to coil then resistor is in circuit when tractor is running
Ron

Cameron Smith · Mar 13, 2010

A new 12 volt coil with built in resistor was 20 bucks at NAPA a month ago when I bought one.

Ausinter · Mar 13, 2010

thanks ron & cameron i will check the voltage.i wish i lived in the US because of the price of parts.thanks again.darryl

EVILBOWEVIL · Mar 13, 2010

lot of good info at Farmallcub.com

if you are in Canada, Princess Auto is highly recomended by Candian memebers

good luck
ron

Ausinter · Mar 13, 2010

Thanks Ron i am Downunder on the other side of the world (australia) Darryl

57 farmall cub

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