John E Davies Posted December 16, 2020 Share Posted December 16, 2020 (edited) See this thread first: ... https://olivertraveltrailers.com/forums/topic/4743-upgrading-to-lithium-batteries-source-for-cheap-“lithium-charging-section”-for-your-older-pd4045-converter/ Read this: .... PD4000 Series Troubleshooting Guide ... The last page discusses swapping the converter charging section. This isn't at all difficult, but like any electrical mod, be careful, make sure you understand each step, and double check your work. Disconnect the shore power and also disconnect the batteries when doing this mod. You would be working around live wires otherwise. Tools needed: Allen and square drive screwdriver tips. If you don't already have these, consider buying a set that has all types - these are excellent and come with a dandy case: .... https://www.homedepot.com/s/Shockwave%20Steel%20Impact%20Duty%20Driver%20Bit%20Set%20(74-Piece)?NCNI-5 Needle nose pliers Wire cutters Nylon tie wraps Here is the old versus the new one, which comes with a fancy decal: Open the front door that covers the fuses and circuit breakers, remove the small square drive screw in the center of the panel. Grab the frame and pop it free from the four outer retaining tabs. Mine came right off, you might have to pry gently. Remove the square drive screw and tabbed washer on the left side that retains the unit. Remove the five wires: Slide out the old unit. Be careful with it, you can sell it on eBay for a little cash. Old vs new boards; John Davies Spokane WA Edited December 17, 2020 by John E Davies 2 2 "Mouse": 2017 Legacy Elite II NARV (Not An RV) Two Beds, Hull Number 218, See my HOW TO threads: https://olivertraveltrailers.com/topic/john-e-davies-how-to-threads-and-tech-articles-links/ Tow Vehicle: 2013 Land Cruiser 200, 33" LT tires, airbags, Safari snorkel. Link to comment Share on other sites More sharing options...
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