Or you can check out how to determine the best size wire for help doing it yourself. If u do connect to the battery put a fuse on it.
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If the ground wire is loose then the alternator won t deliver its full power to the battery particularly at idle.
Amp ground wire to battery. Car amps for instance often have a red power wire and a black ground wire. The ground is a major part of the battery s charging system so assuming that you re getting proper voltage output from the alternator wire and the battery isn t hashed then you may be looking at a bad ground wire. Also make sure your guitar speakers subwoofers and other devices are connected to the amp if you re using them.
Using our demo vehicle we show you good and bad examples of cable grounds and discuss the problems caused by an. Protect ur equipment if u choose to ground via battery. Enjoy visit dean and fernando s tool.
Car frame material has a larger resistivity than a copper wire car frame has many materials connected such as rubber so ground current may have to bounce off several materials to make it back to the battery ground other devices are using the frame as the ground so maybe it could cause some interference. On the fords i own the negative battery wire goes straight to a starter mounting bolt so loss of chassis to battery connection would pass just accessory and lighting current through the amp but not starter current. The power and ground wires need to be thick enough to accommodate the amp s demand for electrical current or the amp won t operate properly or put out its rated power.
Your amp s instructions will include a recommendation on what size wire to use. That s reason enough to inspect and understand the vehicle s grounding system as averagesupernova suggested upgrading where it looks prudent. Then run a single ground to the best source of ground the negative terminal on your car s battery.
Mb quart 125 4 wired to 4 aura 6 s. I d ground it to the battery if the battery is grounded to the chassis. Learn how to properly ground the power ground wire from your car audio amplifier.
In this video we show you how to add a amp power wire to your gm battery post. The best way to ground your car stereo components is to run a 10 or 12 gauge wire from the amp and 12 gauge from all other components such as head unit and active crossovers to a central location. Power and ground wires.
2 apsm 1500 2 ohm strapped on zv3 d1 with ns softparts. 3 6 cube box tuned to 36 plays down to 23hz. This is for the posts with the v nuts use to tighten the battery terminal.
People with a battery in the rear would connect a ground to the battery since its close. If your amp plugs into the wall test the power cord. If for any reason the battery negative becomes corroded or the stock negative wire fails it will pull the ground from ur amp and fry it instantly.
1 0 wire 136 amp alt 200 ah batteries 12 7 daily. It also has a blue remote turn on wire that powers the amp when you turn on your vehicle.
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