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Trailer Light Wiring


MorganMcCann

Well-Known Member
Joined
Mar 6, 2013
Messages
280
City
Saint Clair, MI
Vehicle Year
1999
Transmission
Automatic
So do I need the cheaper one? Or the more expensive one?
I didn't have a factory tow package, but I did have the off road package
 
It's been so long since I hooked up my wifes car that I can't remember the exact reason for the little box on the wiring in the second link. It has something to do with separating the turn and signal light:icon_confused:
I don't believe it's needed however I would suggest contacting the manufacturer.

Richard
 
Went to test it today, everything worked except the left turn signal and left brake. The right worked fine.
Checked the left side with a battery and some wire at the plug, and it worked perfect.
I'm assuming I need to get the tail light converter?
 
Went to test it today, everything worked except the left turn signal and left brake. The right worked fine.
Checked the left side with a battery and some wire at the plug, and it worked perfect.
I'm assuming I need to get the tail light converter?

Your truck has separate brake and turn signal bulbs, so you'll need an adapter with a converter to bring those 2 together into the single bulb on the trailer.
 
Trailers use the same bulb for turn signal and brake lights. A lot of vehicles are the same way. If your truck's taillights are set up this way, you don't need a converter box.

If your vehicle has separate bulbs for turn signals and brakes, you'll need the converter box so it'll work with a "same-bulb-for-turn-signals-and-brake-lights" trailer setup.
 
Last edited:

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