Hi Zomby,
Consider the following........ If the black wire connected to the AC/DC relay isn't connected to ground the module will not work correctly. If the black wire connected to the regulator isn't connected to ground the regulator will allow the alternator voltage to exceed 13.8 Volts and burn out the lights, not to mention the battery won't like unregulated AC for a long period of time. It might also be necessary to actually run a ground wire to the yellow wire with the red stripe at the ignition switch. Either you have a few devices missing the ground or possibly one of the modules is now defective. It is also important to note the yellow wire from the AC/DC is the output for the lights when the motor is running. If there are enough requests I will write a post about my knowledge concerning the wiring harness, and how the electronics work on the Whizzer motor. I am sure there are a few things about the different harness assemblies I don't know, and I am in the process of reviewing the electronic circuits used on the new Ambassador model [more digitial] at the moment.
A few more comments to consider, when I installed the NE motor on my 1950 Whizzer Sportsman to drag race, I simply used a complete wiring harness and was able to hide the excess under the tank with black plastic ties. I used all the modules, but didn't install any lights, horn, battery, key switch, etc. A new harness isn't very expensive vs. your time. In other words it might be to your advantage to purchase a new harness and spend time trying to make it less visable.
Hope some of this information is helpful.
Have fun,
Quenton
Consider the following........ If the black wire connected to the AC/DC relay isn't connected to ground the module will not work correctly. If the black wire connected to the regulator isn't connected to ground the regulator will allow the alternator voltage to exceed 13.8 Volts and burn out the lights, not to mention the battery won't like unregulated AC for a long period of time. It might also be necessary to actually run a ground wire to the yellow wire with the red stripe at the ignition switch. Either you have a few devices missing the ground or possibly one of the modules is now defective. It is also important to note the yellow wire from the AC/DC is the output for the lights when the motor is running. If there are enough requests I will write a post about my knowledge concerning the wiring harness, and how the electronics work on the Whizzer motor. I am sure there are a few things about the different harness assemblies I don't know, and I am in the process of reviewing the electronic circuits used on the new Ambassador model [more digitial] at the moment.
A few more comments to consider, when I installed the NE motor on my 1950 Whizzer Sportsman to drag race, I simply used a complete wiring harness and was able to hide the excess under the tank with black plastic ties. I used all the modules, but didn't install any lights, horn, battery, key switch, etc. A new harness isn't very expensive vs. your time. In other words it might be to your advantage to purchase a new harness and spend time trying to make it less visable.
Hope some of this information is helpful.
Have fun,
Quenton
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