Re: 3 Super C Questions

Posted by captaink on January 14, 2005 at 07:34:07 from (66.115.214.56):

In Reply to: 3 Super C Questions posted by terryj on January 13, 2005 at 20:06:32:

Terry, Like TDK said, you need to put in a resistor if you are going to keep the 6-volt coil. You don�t need to put it near the coil however, just so that it is in line to the coil somewhere. I like to wire mine in for a 12 volt start/6-volt run if possible. To do that I take the wire from the switch and hook it to one side of the resistor, and the wire going to the coil to the other side of the resistor (juts like TDK said). Now to add the 12-volt start, you need either a solenoid or a special switch on the starter (when you use a pull rod like on a C) that has a small terminal on the side of the switch. This switch is available at parts stores like NAPA. This terminal provides a 12 volt source only while the starter is operating. Run a wire from this terminal on the starter switch to the COIL side of the resistor, in effect bypassing the resistor on startup. I do this for two reasons. The first being the voltage drop when starting (the resistor drops voltage to � of input, so if you have voltage drop to 9 volts due to dirty batter cables etc during start, you will only get 4.5 to the coil). Second, the higher voltage will give a �hotter� spark during cranking aiding in starting especially if your plugs are gapped a little wide due to wear. IH actually did this on their early 12-volt tractors.

My 2 cents.

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