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Old 02-14-2012, 04:58 PM   #1
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2 Wire to 3 Wire Help

I have a 2012 Explorer that has a 3 wire system (separate turn bulbs and brake LEDs). I need to convert the standard 2 wire feed from the RV. I can find many 3-2 wire converters, but haven't found any going the other way.

Has anyone found a 2-3 wire converter?


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Old 02-15-2012, 08:06 AM   #2
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I have never used one but JC Whitney used to sell one.

Frankly I'm not sure I'd worry about it.. Just use the turn signals.

In fact.... A suggestion:

Take a partner and go out to the car, Now with no key in the ignition (Switch in off or locked position) have your partner step on the brakes... See if the brake lights come on.

Option 2: Do this at night and you need only look in the rear view mirror no need for a partner.

Odds are applying the vehicle's service brakes will turn on the brake lights.

now, use the standard diode kit to operate the turn signals (They will double as stop lights too.

When your aux braking system (NOTE: This will not work if you use the M&G system but it will with most all the others out there like US-Gear, Air Force one, Invisible Brake, or any of the box in the driver's seat systems) The application of the towed brakes will bring the stop lamps on.

No need for a converter at all.

I recommend either US gear or Invisible Brake for this type of install however (They both keep towed battery charged)

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Old 02-15-2012, 08:09 AM   #3
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I have considered using the turn signals. It would mean I'd have to change the yellow bulbs to red bulbs, which I assume I could find.
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Old 02-15-2012, 08:12 AM   #4
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I found one a while back at etrailer.com looks like they still have it.

The above post is just my experience/opinion which is worth exactly what you paid for it.

'05 Lance 845/'06 F-250 or '99 Alpine 36SDS Usually towing an '01 Wrangler locked on 35"s or moderate '98 Cherokee on 33"s (rear locker only)
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Old 02-15-2012, 08:40 AM   #5
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Valley 52180 - Should be available at most auto supply houses as well as a U-haul outlet. Walmart may even have it.

2-way to 3 way tail light converter - Google Search

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Old 02-15-2012, 02:34 PM   #6
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Perfect! I don't why I couldn't find it last night.


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Old 02-15-2012, 02:52 PM   #7
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I just finished wiring my 2012 Honda Civic (3 wire) to my 98 Pace Arrow (2 wire). I used a diode kit from Husky. It was a easy install. The cost was about $25.00. It takes the 4 diode kit.

1998 Pace Arrow 35 ft. F53 Ford V10 2012 Honda Civic toad
15 year motorhome service manager. 3 popups....2 travel trailers....5 motorhomes....loved them all.
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