Posted by Janicholson on June 01, 2011 at 05:53:24 from (64.61.211.231):
In Reply to: H electrical posted by Robin Hood on May 31, 2011 at 17:21:27:
I agree with John M, A real conversion will have a resistor for the ignition coil to allow 12volts to drop to about 6-7. The resistor is usually at or near the coil, and not (usually) in the electrical box. There is a reason for the resistor if it is connected to the light switch, and if the light switch is a 3 position switch. The resistor would be there for dimming the lights. If the switch has 4 positions, the original system was operator controlled charging. No voltage regulator.
My suggestion is to use either a 12v regulator and generator (they are to be found), or convert to alternator (Hitachi from a 1986 Nissan 721PU) and make sure the resistor is in the ignition circuit. The Hitachi is small and fits under the hood more easily. It is wired the same as a Delco alternator. The "L" terminal is = to the Delco 10SI #1 terminal. The S terminal is = to the Delco #2 terminal. The diagrams included here has the required info for the H or M with alternator. Jim
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