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Old 03-19-2009, 04:24 AM   #8
ols1932
Montana Master
 
Join Date: Aug 2004
Location: Cedar Rapids
Posts: 4,876
M.O.C. #1944
This one's a puzzler for me. The umbilical cord "receives" voltage from the truck to run the brakes, clearance lights, tail lights and brake lights. I'm missing something here. When the umbilical cord is disconnected, where is any voltage coming from that appears on any of the receptacle pins?

Orv
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