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Old 05-08-2011
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KCSS KCSS is offline
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Join Date: Mar 2010
Location: DeLand
Posts: 4,190

If BB 7 blade is wired standard 7x4 adapter should work fine - that is assuming trailer is also wired standard. Recheck my drawings if necessary. Don't overload any of the circuits, especially the running, marker lights. Consider adding relays to draw current directly from batteries. Both you and the coach will be happier .
Note - the blue brake wire on my drawing (position#2) is feed to electric brakes - not brake lights
Hope to stop by and see you on my next PA trip.
KC & Emma
DeLand, FL
2000 LXI
"Bordering On Adequate"
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