Mk4 Golf The Big 3 Upgrade Wiring Loom Complete With Pics Audio Cap each end of your three new cables. you need to insert the wire into the wire lug and use enough solder to melt into the strands of cable without melting the cable itself. use heat shrink tubing to seal and weather proof the ends of your new wire connectors. 3. disconnect electrical equipment. The big 3 upgrade entails replacing three primary wires in your car's electrical system with lower gauge (thicker) cables, leading to a cleaner channel for electricity to travel and a more steady flow of power to your electronic equipment. better resting voltage (13.8 14.6v), less voltage loss (less light dim), and an increase in performance of the car's electrical parts are all expected.
Big 3 Upgrade Wiring Diagram Iot Wiring Diagram The wire continues on from the "alt" fuse in similar form as wire #3 (as shown in the diagram @ top) and enters the large wire bundle, continues down to about the level of the frame, then exits the bundle to connect to the alternator's charging post. the battery is charged via current flowing from the alternator across wire #3, through the "alt. Classic cars often have underpowered electrical systems. in this video, nick discusses what a big 3 wiring upgrade is, and shows step by step instructions on. For protection it is recommended to add an in line fuse to the positive wire. all grounds must be cleaned to bear metal and properly secured. positive 1 0 100% pure copper cable. connect from the positive stud on the alternator to the positive on the battery. ground 1 0 100% pure copper cable. connect from alternator mount bolt to frame chassis. I ordered 10ft of the ground cable and 7ft of power cable. i used about 7ft of the ground and 3 4ft of the power cable. take a piece of rope or string and route it where you want the cable to go. then you can measure it to get an accurate length. be sure to give yourself a cushion.
Big 3 Wiring Diagram Dripise For protection it is recommended to add an in line fuse to the positive wire. all grounds must be cleaned to bear metal and properly secured. positive 1 0 100% pure copper cable. connect from the positive stud on the alternator to the positive on the battery. ground 1 0 100% pure copper cable. connect from alternator mount bolt to frame chassis. I ordered 10ft of the ground cable and 7ft of power cable. i used about 7ft of the ground and 3 4ft of the power cable. take a piece of rope or string and route it where you want the cable to go. then you can measure it to get an accurate length. be sure to give yourself a cushion. Shop for big 3 upgrade kits: sonicelectronix cat i1209 big 3 upgrade kits ?utm source= &utm campaign=how%20to&utm medium= %20d. Steps to the big iii: step 1 disconnect the negative wire from the battery to interrupt the electrical so you can safely work with the positive wires. step 2 locate your alternator. step 3 find a safe path to run your wire from the alternator positive to the positive on battery and measure how much wire you will need, cut wire to your needs.
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