Fits the following models:
1973 Z1
1974 Z1A
1975 Z1B
Bolt-on replacement for the stock regulator & rectifier.
Solves the problem of overcharging batteries.
THIS UNIT REPLACES BOTH THE REGULATOR AND RECTIFIER WITH ONE COMPONENT
Replaces OEM part 21066-013
Simple to install - NO CUTTING OR SPLICING OF WIRES.
• Remove the existing regulator & rectifier.
• Bolt this new unit under the battery box, in the place of the old regulator.
• Plug the green connector into the green connector of the electrical panel.
• The ground wire connects to the engine ground point behind the kickstarter.
• The two wires normally going to the rectifier connect into the double female connector on the new unit. | 
