Quote:
Originally Posted by johnw10257
I am thinking of building a custom hitch for our Z4. I'm a certified welder and done lots of fabbing so I'm not worried about the mechanics of the hitch, I more concerned about not screwing up the Z's electrical system with the extra load of the trailer lights. What sort of electrical isolation module did you use? I suspect one would want a unit that takes power from the battery. Could you provide a make and model number of the one you used? Have you had any issues or concerns with the electrical connections? Thanks!
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I'm not sure. I can look and see what model it was. The hitch place did all the wiring for the electrical too. They patched into the right rear tail light wiring. I've had no problems other than the fact the trim piece in the trunk doesn't fit right anymore because of the wiring.