Improving the routing of the taillights was on my “to do” list and yesterday I corrected that issue by routing it through the battery tray. It is tight but workable.
After removing the battery box disconnect the wires being sure to remember where they go or draw a diagram or mark them.
Drill two 3/8-inch holes in the back of the battery box tray. Gently work the wiring harness back and out and pull it over the top. Route the wires coming from the taillights through the holes in the battery box.
Reconnect the wires and I like to seal the entry with silicone. You will need to work it all around to fit together well.
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This ones for you Boatguy! That other object in that box is the main fuse panel and it uses blade type fuses with two spares and a couple of extra slots nice! The other device is a signal flasher.