I just ordered this device. Looks easier than a custom solution. Mounts over existing hitch and provides two 55-watt lamps with 130,000 candlepower. Manufacturer says it lights an 80-foot area at the rear and contains all relays and connections. One neat feature is a toggle switch on the unit that allows its use when vehicle is off. Less than a C-note with all the install goodies.
I'll post an after-install report and let you know how it went. Their website ain't all there yet, but if you want to call 'em, their number is 888-884-7637.
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'95 2500 CC, SLT, LB 2WD, auto 3. 54, 71,000--Westech gauges in Autometer pod, Prime-loc, Brite box, Back-off Box, Line X, Flowmaster muffler, Borgeson steering shaft, Geno's Crankcase Breather/Vent Tube Catch-All
I'll post an after-install report and let you know how it went. Their website ain't all there yet, but if you want to call 'em, their number is 888-884-7637.

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'95 2500 CC, SLT, LB 2WD, auto 3. 54, 71,000--Westech gauges in Autometer pod, Prime-loc, Brite box, Back-off Box, Line X, Flowmaster muffler, Borgeson steering shaft, Geno's Crankcase Breather/Vent Tube Catch-All