Do you have voltage at the Coil? use a meter or test lamp, does the Moke have a ballasted system? Usually a resistive cable from the ignition to the coil, reduces the voltage to 9 Volts, if this goes high, then the voltage reduces.
Regards, Graham & Judith
1981 Aussie Moke
1989 Portuguese Moke
1992 VW T3 Multivan LLE No 2113