Sorry for the confusion, e trailer sold me tekonshna P3 with plug and play pigtail for 2019 e450 ford. I plugged it into the factory port turned the key to on position and controller began to flash. I turned key back to off position and I unplugged the controller then tried to start the coach, as the key is turned to
on the dash lights come on but when the key is turned to start position there is nothing...no clicks, nothing. Clear as mud?? It was RV dealer I have been talking to.
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