Tow Vehicle 7-Way Plug Emulator
This was my rainy day project. Build a test unit to replicate the trailer plug on my tow vehicle. I can insert the 7-way from my trailer, hook up a battery or charger to the side posts and check each ...
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It looks very nice to me, too.
If I built one, I might put a little ammeter in, which would be useful for finding partial shorts and disconnected brakes and so forth. For that matter, a couple of banana jacks to hook up a multimeter would suffice, with a jumper wire or switch to bypass them at other times.
For that matter, while I'm dreaming, I might also put in a bluetooth or wifi unit and write an app to control it from a smartphone so that walking around and poking at the screen would make the trailer lights go on and off and save having to wander back around each time. The ammeter seems like less work, though.
If I built one, I might put a little ammeter in, which would be useful for finding partial shorts and disconnected brakes and so forth. For that matter, a couple of banana jacks to hook up a multimeter would suffice, with a jumper wire or switch to bypass them at other times.
For that matter, while I'm dreaming, I might also put in a bluetooth or wifi unit and write an app to control it from a smartphone so that walking around and poking at the screen would make the trailer lights go on and off and save having to wander back around each time. The ammeter seems like less work, though.
