Question about Cars & Trucks
I have a wire connector that i dont know where it goes or if its for a buss bar or what
Could be for a trailer brake controller (optional equipment or aftermarket)
Posted on Nov 02, 2019
If everything works I suggest you don't worry - just make sure it can't rattle around making a noise.
Wiring harnesses are expensive to make and manufacturers find it more economic to make just one harness for a range of cars so it is inevitable some cars with a lower spec will have a number of spare wires, connectors etc.
Posted on Nov 01, 2019
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Posted on Jan 02, 2017
The trailer wires are left turn, right turn, running lights(the smaller elements on both tail-lights and any side lights) and ground. Energise the corresponding lights and connect the wires accordingly. Find a good ground. A piercing test probe will find the correct wire for you if you can't track it to the bulb.
Posted on May 06, 2009
Rob I can't remember if your Mazda has separate brake and signal lights.
I think that model year did. If so you will need a module to make it work on a 4 pin trailer connector. These will be readily available at your local auto supplier at a reasonable price (Around $20). It will also have a wiring diagram in the package.
If the signal and the brake light are on the same bulb it will be easier.You may be able to buy a package at your auto supplier that you simply pull a plug apart at the rear of your truck and insert the complete harness.
Posted on Oct 30, 2009
A test light checking each connector would be faster and easier to do. Maybe somebody may have a illustration for you but by far a simple test light is all you need with a helper turning on the different lights as you check them out and writing all your findings down
Posted on Jan 22, 2010
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