How To Solder Car Wires Together

For tools Matt uses his trusty auto-stripper and an affordable soldering iron.

How to solder car wires together. Then use a pair of pliers to push the metal tap down into both wires flush with the body of the connector and snap the cover over the tap. Learn How to Solder Correctly In this video youll learn the tools tips tricks and techniques to properly solder from what type of solder and flux you should use to how to splice the wires together for a strong soldered joint. Keep the iron in place and touch the solder to the wire until its fully coated.

Crimping will work well as Cougar suggested but if you really want the splice to be waterproof and permanent solder the wires then put heat-shrink tubing over the splice. You interweave the threads of the wires together before soldering the joint solid. The wires can then be situated together by further twisting them blending them end to end or wrapping one around the other for a splice.

A pig-tail where the wires are bent at a 90-degree angle to the rest of the wire is NOT a suitable connection and will cause problems dont do it. The other safe connection option is the crimp connector being simple and easy to use they are popular however dont always offer the longevity of soldering. Youll also need some PVC shrink tube.

You melt the solder onto the wires to stick them together and as the solder cools it forms a permanent bond. Hold it on the wire for 3-4 seconds. Remember to put the heat-shrink tube over the wire before soldering then move it into place.

There is one way to twist wires together for soldering- a horizontal twist that yields a continues length of wire. Twist the two wires together by wrapping them around each other in a clockwise fashion. The most secure and durable way to splice two wires together is to solder them.

The most reliable way of joining two wires together is by soldering. Be sure theres enough consistent solder left on the tip. For this example we solder the same two 18 AWG wires together end to end.