The battery to the alternator power wire the engine to chassis ground and your negative battery wire to the ground point. Big 3 wiring diagram wiring diagram is a simplified adequate pictorial representation of an electrical circuit.
How To Install The Big 3 Upgrade Improve Your Vehicle S
Big 3 wiring diagram. 2 y2 starting line timing or optional starting line ve or optional 3 step wire hdr. 2 w1 timer enable wire hdr. The big 3 wiring upgrade one aspect that is often overlooked when installing a high power mobile audio system is the current capacity of the factory wiring. If youve ever measured your voltage drop when playing music with the volume to the max with your engine running youll see that instead of reading 144v or 138 depending on car your voltmeter will read 13v 12v or even lower. This is the most important cable in the big 3 because the alternator which grounds through the engine to the chassis is your absolute ground. It shows the components of the circuit as simplified shapes and the capability and signal contacts surrounded by the devices.
Bigstuff3 sr2 wiring diagram using a trans brake 2 3 step via the msd ignition ground relay 86 30 85 87 87a onoff switch. The big 3 is a very easy upgrade to your cars electrical system that will help to reduce voltage drop for power hungry amplifiers. A good cost effective improvement is to perform the big three electrical upgrade. The big three wiring upgrade. Bigstuff3 4 stage dry nitrous nos system set uppdf. Mod motor coyote install instructions with stock dumb coilspdf.
Big drive injector driver system installation instructions. So basically the big 3 is when you use a thick gauge wire to beef up your 3 main electrical points. Disconnect the wire at both ends and clean the contact surfaces with a wire brush and cleaner. If yours is the dvc 2 ohm model the only safe way to wire it to that amp is like this diagram getting 400 watts rms to the 750 watts rms rated sub. Lastly its time to tackle the grounding cable that runs from the chassis to the engine block. Sr2 users manual rev 13pdf.
Data trigger wire hdr. Mod motor coyote install instructions with ls1 coilspdf. Tahoe suburban diy and useful threads big 3 wiring upgrade step by step with pics. Air fuel ratio meter users manualpdf. The wiring put in place by automakers is just sufficient enough to support the current demands of the factory accessories and is rarely able to support much more than that. Examine your vehicle before purchasing an big 3 upgrade kit to make sure you have all the necessary tools to do that job and that you buy the correct length of wire.
If your sub is the dvc 4 ohm model the best way to wire it would be like.
Gallery of Big 3 Wiring Diagram
