Question about Cars & Trucks
I am trying to work out the wiring for a trailer I am building. I am using a 2012 ranger style side and have a red+yellow stripe, red+green stripe, green+yellow stripe, green and black. Can you please tell which wire is for what on a standard seven pin plug?
One is running lights.. one is left signal,,one is right signal .one is ground and there are wires for electric brakes..heavy ones..up to 4 of them..
Posted on Jan 02, 2014
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Posted on Jan 02, 2017
I assume you only want lights, brake lights and signals. Your best bet is to plug a wire onto your truck... the flat plug, and turn , first the left signal, on. Use a test light to see which part of the plug in is flashing. Once you have established that, just keep plugging the other end of the wire into the trailer plug, until you get the left turn signal flashing on the trailer. Then repeat the process for lights etc.
You can also take the plug-in apart on the trailer. Inside the plug in it will have l/t, r/t, s, etc. (left turn, right turn, stop, etc.) There will be a very small arrow pointing to the terminal connection that is for each.
Posted on Nov 03, 2009
Testimonial: "Thanks, that should be an easy and sure way."
You need to install a 3-2 wire converter. I suggest a CURT 56175 then
1.Using a test lamp, identify the corresponding wires in the harness for the left turn, right turn, tail lights and brake lights. 3. Temporarily remove the vehicle's negative battery cable from the battery. 4. Using wire taps, attach the input wires of the tail light converter to the corresponding vehicle harness wires identified in step 2 as indicated.
Converter Brown Wire: Tail Light Circuit Converter Yellow Wire: Left Turn Circuit Converter Red Wire: Brake Light Circuit Converter Green Wire: Right Turn Circuit
5. Locate a suitable mounting location for the ground eyelet on the vehicle near the converter on vehicle's frame or cross member.
And your ready to tow!
Posted on Mar 23, 2011
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Aug 01, 2014 | 2007 Dodge Ram Truck
Oct 14, 2013 | Cars & Trucks
4 way flat molded connectors allow basic hookup for three lighting functions; right turn signal / stop light (green), left turn signal / stop light (yellow), taillight / license / side marker (brown) and a ground (white).
4 way tow vehicle side.
4 way trailer side.
5 Way Systems
Same as 4 way system listed above but adds a extra blue wire for brake signal or auxiliary power. Used on pop up camper trailers or utility / boat trailers.
5 way tow vehicle side.
5 way trailer side.
6 Way System, Rectangle Plug 3/4 inch by 1 inch 6 way rectangle connectors right turn signal (green), left turn signal (yellow), taillight (brown), ground (white). The red and blue wire can be used for brake control or auxiliary. Use on a small motorcycle trailer, snowmobile trailer or utility trailer. Can also be used as custom wiring on trailers with 3 light/wire systems. See "Tow Vehicle Taillight Wiring" below.
6 way tow vehicle side.
6 way trailer side.
6 Way Systems, Round Plug
Round 1 1/4" diameter metal connector allows 1 or 2 additional wiring and lighting functions such as back up lights, auxiliary 12v power or electric brakes. Note: The black (sometimes red) 12v and blue electric brakes wire may need to be reversed to suit the trailer. Check with a test light or VOM. Uses: horse trailer, travel trailers, landscaping trailer, car trailer, etc.
6 way tow vehicle side.
6 way trailer side.
7 Way Systems
Round 2" diameter connector allows additional pin for auxiliary 12 volt power or backup lights. Uses: heavy duty landscaping trailer, car trailer, boat trailers, horse trailer, travel trailer, construction trailer, etc. Check with a test light or VOM.
7 way RV flat blade tow vehicle side.
7 way RV flat blade trailer side.
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