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Hi all I am in the process of installing reverse lights in my 923. I got the allison reverse pressure switch part 29503665. On the passenger side of the trans there is a port for the switch there is a bolt in its place. When the bolt is removed with the vehicle cold no fluid came out and the switch just screwed in by hand and I snugged it up with a wrench. I ran a wire up into the cab you can see a red arrow pointing to it in one of the pics. I have a 20amp solid state dc control relay and I bought a sealed plastic box I am going to mount it under the dash. I put the truck in reverse and verified with a meter that the switch is functioning properly. I installed 2 led flood lights in the back all I have left to do is run a wire up to the cab from the lights and find power somewhere. If someone knows a good place to grab 24 volts under the hood preferrably please let me know. I am also putting a switch in the cab so I can put the lights on manually.
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