Bought a Reitnouer with lift axle and need to install an auxillary power line for the lift axle. I do have unused swithes on dash. 2001 W900L. Any advice on how to connect. These lines have been relocated to the front of trailer, this pic is before they were relocated.
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Power for lift axle on trailer
Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Bridgestreetblues, Jan 26, 2022.
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Put an auxiliary plug on the back of the cab and front of the trailer. Run your signal from the switch to that auxiliary plug.
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On our log trailers we take out either the black or brown wire for park and running lights and put both together on the trailer . That way one is free for a switch , brown or black whichever you decide . The blue wire in the center of the cord is usually wired for air lifts here in Cannuck . You will find the wires on the firewall . Or just inside the drivers side kick panel usually . You can cut them and insert a switch in the line or depending on brand of truck they are usually pre wired to add switch in the harness . Black or brown marker lights for trailer commonly have a courtesy flash switch on one or the other wire . You could switch this one out for on/off switch then your all done . Switched wire to trailer
Bridgestreetblues Thanks this. -
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Wiring on trailer plug is as follows , black - park , brown - park , red -brake , blue-auxillary switch , yellow-left signal , green - right signal , white-ground , Off the top of my head .
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Last edited: Jan 27, 2022
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