'94 GT: connecting brake light signal to legally tow small trailer - Ford Mustang Forum
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post #1 of 2 (permalink) Old 07-26-2019 Thread Starter
hydrostarr's Avatar
Joined: Apr 2014
Location: Chicago
Posts: 1
Question 1994 GT: connecting brake light signal to legally tow small trailer

I need to tow a small jet ski on a small trailer for my 1994 GT 5.0L convertible (manual tranny, of course) for extremely-short distances (a couple miles) at low speeds (< 40mph). I've already got the hitch (see attached photo of a different trailer than the one I'd be using for the jet ski), and I've been using a very-light trailer to tow a small piece of furniture for the same distances (small) and speeds (low) - car operates just fine. NOT heavy towing usage.

Key point: I need to make the trailer street legal with a brake-light-signal connection from the 'stang to the trailer-tail-light wiring. Otherwise, I do not get to use the jet ski. (The person loaning me the jet ski is requiring this, so I have no choice.)

How to do this?

1. What hardware and where to get it? (weblinks welcome)
2. ...connected to what light-signal source (on the 'stang)?
3. ...routing the cables in/out of which areas/chassis/panels/etc?
4. Do I need any power amplification, or similar "extras" beyond a straight "splice" into the tail-light wiring?
5. Got weblinks for how-to videos? (I've not found any yet.)

I see a similar effort here, but for a different model year:


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post #2 of 2 (permalink) Old 07-26-2019
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90lxwhite's Avatar
Joined: Aug 2011
Posts: 5,553
This might work but I’m skeptical. All of the reviews were for OBDII vehicles. But it might work.

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street legal , tail light , trailer hitch , wiring issues

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