Re: Intermittent power drop when headlights are turned on

Posted by Owen_Dyneto On 2012/2/5 9:33:59

I'd do two very simple tests, and I'm assuming the ammeter is functioning properly.

First, I'd do the old standard test of momentarily grounding the field wire at the regulator. If things return to normal, it would confirm a functional generator.

Second, I'd remove the regulator cover, identify the cutout relay within the regulator, and put on the headlights, run the engine at a fast idle, and see if the cutout relay has closed. If not, I'd push it closed with my finger and see if the situation corrects itself. If so, you've got a bad cutout function on the regulator.