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In this video I show you how I make my own “test lights” of various amperage’s that can be used to substitute for a component on the vehicle that has failed. These range any where from .25amp to 4.5amp and can be used to replace failed fuel pumps, actuators, lights, solenoids etc. so you can preform circuit integrity tests. -Enjoy!

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Due to factors beyond the control of South Main Auto Repair, it cannot guarantee against unauthorized modifications of this information, or improper use of this information. South Main Auto Repair assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. South Main Auto Repair recommends safe practices when working with power tools, automotive lifts, lifting tools, jack stands, electrical equipment, blunt instruments, chemicals, lubricants, or any other tools or equipment seen or implied in this video. Due to factors beyond the control of South Main Auto Repair, no information contained in this video shall create any express or implied warranty or guarantee of any particular result. Any injury, damage or loss that may result from improper use of these tools, equipment, or the information contained

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26 thoughts on “How To Make Your Own Test Lights

  1. After all of this, who is ever going to go thru all of this, to use something once in ten years. And yes, we know how intelligent you are on this testing amps

  2. I know you don't like the sewing kit cutter thingies, but you should look into the medic bandage scissors that have a flat nose on the one side of the blades. They make varios sizes but I use them for cutting into electrical tape and looms etc. Just a though.

  3. I liked the way you embedded the needle into the copper wires to encapsulate the needle in solder. I learned the hard way that the secret to joining copper to steel is a change in flux. There are fluxes you can use for joining copper to steel/stainless steel that makes a strong joint. I use it when I need to join a wire to a battery holder. It does not make nice smelling smoke so breathe out when you flow the solder.

  4. Amazing you picked now to make this video… I have been going through waiting for a transmission plug for a 98.5 dodge ram 3500 and will be doing the solder job on a replacement plug connector, no longer available except online or used. Mechanic shops are the only people on earth other than dealership that have the correct wiring info per body design, but they pay for it.

  5. I run across one of your old videos about making circuit load testers using headlamp bulbs. Great idea and also very accurate. I used to use an old car horn to load the circuit. What was really helpful using the horn is you don't have to be next to it for the results. One example was i was testing the circuit for the fuel pump on a old E150 with the horn under the van at the pump connector and I was under the hood commanding the relay. Lol sometimes other people in the shop start to complain about the constant horn blowing

  6. After watching this I went to the junk yard. Grabbed a couple light bulb and sockets. They didn’t even charge me. Thanks Eric! Very cool.

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