Reply to "Lights work in conventional mode only. SOLVED"

gunrunnerjohnOGR Forum Member SUPPORTING MEMBERDIGITAL SUBSCRIBER

The reason I ask about LED's is in conventional mode the headlights are fed with full wave track power. In command mode, they're fed with half-wave track power. So, if they're wired with the wrong polarity, they'll still light in conventional mode but not command mode. This was a well known issue when replacing the R2LC-C07 with the R2LC-C08 for some Atlas TMCC engines because the polarity of the lighting outputs in command mode changed from positive to negative in reference to frame ground. Apparently, Atlas never anticipated that the R2LC would go bad and the replacement would be a later version.

12/5/2110:13 AM

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