Best Way To Solder Automotive Wires

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.

Best way to solder automotive wires. The broken wires can be repaired without replacing the entire harness or section. The only wires I solder are the ones related to the computer and its sensors. The most reliable way of joining two wires together is by soldering.

This is used to neutralize the corrosive properties of the other solution and to further clean the wires. Try to coat the wires as evenly as possible so theres a thin layer of flux on them. Use rosin core solder.

Excess grease will be forced outnot to worryheat the shrink tubeing over the connection leaving only the. TICONN 250 Pcs Solder Seal Wire Connectors Heat Shrink Butt Connectors Waterproof and Insulated Electrical Wire Terminals Butt Splice. First you need to strip the wires then add your heat shrink tubing physically connect the wiressolder the wires together and then shrink that heat shrink tubing to make a waterproof connection.

Do not over tin the wire or solder may flow up under the wires insulation causing it become rigid or you will end up with globs of solder on the terminal that will have to be removed. This helps to spread out the heat when the tip touches the wires. For tools Matt uses his trusty auto-stripper and an affordable soldering iron.

You could use an automatic wire stripper like this whichis actually pretty nice. Strip 12 inch of insulation from both wires and twist their ends tightly. Some times I use crimp ons.

For this example we use a soldering iron to solder two 18 AWG wires together end to end. Its the act of using heat via a soldering iron and a fusible metal the solder to create the electrical connection. The methoud that i use is first slip over the wire a small section of shrink tubeing and then strip the wire and dip the end into die-electric greaseslip the wire into the selected connector coulping and crimp with the un-insulated dies on a good crimping tool.