I fitted a prodigy to mine using the artices mentioned above (would have been a LOT harder without them). A solid 1/2 days work. Hardest part was finding a good spot for the controller. Ended up putting it just under the dash sort of above my right shin. (remember mine is RHD) - looks like it would be in the way but it is fine. Controller works really well. The other complication is to get the feed wire to the trailer through the standard plug / adapter cable. Bit of fiddling with a multimeter should get you on the right track. It is a bit tricky to measure the standard plug outputs as there seemed to be some pulsing of signals (checking for load I assume) with no trailer plugged in. Guess you could always use a second plug for the brake wire.

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