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| car amp wiring kit keeps cutting off |
A car amplifier needs a constant supply of voltage to sustain performance. Overtime, the voltage will become weaker, as the stock car battery can only sustain so much extra strain. The more things you can do to reduce voltage drop, the better your car audio system will perform. If your car amplifier is cutting out at high volumes, but plays fine at lower levels it is an electrical issue, either with the power getting to the car amp, or poor wiring. The first thing that you check in this case is the ground location on your car amp. The ground has to be mounted to an surface were only bear metal is exposed, any paint or dirt must be sanded off to provide the best possible connection. Please recheck your ground and make sure its solid. The best grounding point in all cars is the seat belt bolt, try avoid metal over metal that has been plate welded on as that will create a poor ground.
Once you have checked the ground, you need to ask yourself are you even using the correct car amplifier wiring kit gauge size for the rms your car amplifier is putting out? If you are using too small wire, the car amplifier performance will not be optimal. Generally 8 gauge is good for around 300 rms, 6 gauge for 500 rms, 4 gauge for 1000 rms and anything higher 0 gauge. CCA is cheaper wire, basically silver wire sprayed copper and OFC is pure copper. You can tell the quality of the OFC wire is much better and overall feels more heavier and carries more voltage across to your car amp. When inserting the power wire and ground wires, ensure that you only strip the insulation and not the copper along with it. You need as much copper wire as possible to stay on the wire to provide the best possible connection. If you have an nice big thick cable and you trim it down, in theory you are making it into an smaller cable. Not good.
Upgrading the stock basic car battery to a deep cycle one will provide more bass performance and less voltage drop. Car amplifiers make full power only at 14.4 volts, as soon as the voltage is dropping, the RMS watts power will also be dropping, this is more apparent at higher volumes, resulting in the car amplifier cutting out. Yellow top optima car battery is good for car audio systems if you're in the UK and if you're in the USA, XS power battery is the one to get. You will notice your bass will be much louder simply by upgrading the car battery to an performance branded car battery. Say goodbye to dimming headlights when the bass drops. You can also upgrade the alternator in the car to an higher amp one. The stock alternator really is only made to provide sufficient amp current for the stock electrics, such as wipers and windows, nothing additional really as such. Upgrading the alternator will provide more head room, as more ampage will be free to be dedicated towards the car amplifier.
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