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Does a Vehicle on a Tow Dolly Need Tow Bar Wiring


I have a 2011 Forest River Class C RV on a Ford 450 chassis and am towing on a dolly a 2012 Acura TSX 4 door sedan. The dolly is fitted with a wiring harness for the RV to operate the lights and the turn indicators on the dolly. It seems to me that I need to be able to tie into this circuit to operate the tail lights and the turn indicators on the Acura. Do your systems allow this and what is needed to do this? Is there a splitter for the harness from the RV to the dolly that would allow connection to the Acura to operate the needed lights? If this is possible, would the connections in the Acura be made in the fuse box or would it have to be spliced into the wiring system to the rear lights and turn indicators? Per the dolly manufacturer the steering column has to be unlocked so the car would not be in park so the auxiliary system is energized. fyi If this is insufficient for you to comment, please let me know. If pictures would help, I can send them. Thanks,


Expert Reply:

Since your tow dolly has taillights on it already you shouldn't need to also have the taillights of the vehicle you are towing activate as well.

You should be good to go for towing your vehicle behind your RV with the tow dolly as long as it's taillights are functioning.

expert reply by:
Jameson C

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