Manufacturers have made connecting a car stereo to an wiring harness relatively easy with color coded wires. In the table below, we show what those wires do and what the colors mean.
What color is power wire for radio?
The 12V battery wire is yellow, the accessory wire is red, and the dimmer/illumination wire is orange with a white stripe. The right-front speaker wires are gray, left-front speakers are white, right-rear speakers are purple, and left-rear speakers are green.
What color is the remote wire on a factory radio?
The blue/white stripe remote turn on wire has a number of other names such as accessory wire, system remote control wire, etc… Some of the confusion about this wire may come from the different wiring methods between a factory and an aftermarket head unit.
What are the colors on the radio wiring? – Related Questions
What color is the positive wire on a car stereo?
Where do you connect the yellow wire on a car stereo?
Is the remote wire blue or blue and white?
What is the wire color and function of each pin on the 16-pin wiring harness?
The color codes for the four-conductor wire for speaker one are Red (positive), Black (negative), and White or Yellow (positive), Green (negative).
What is the key wire on a car stereo?
The Key 1, Key 2, and Key GND wires will be used to interface steering wheel controls if your vehicle came equipped. Most newer vehicles will also need the Axxess ASWC-1 to translate the steering wheel controls to this stereo. Helpful?
What do I connect the orange illumination wire to?
What wires are positive and negative on a car stereo?
typically, the positive wire is red and the ground, or negative, is black. However, most speaker wires don’t do colors. Good news is, with speakers it doesn’t really matter which one you choose as your positive and which as your negative, just so long as you are consistent.
What is a ACC wire for?
ACC (red), supplies +12V power to car audio and other accessories, only when the car’s ignition is switched on. Constant (yellow), also called BAT or Battery, provides permanent +12V power from battery. This allows the radio to retain settings (for example, stored radio stations) when the ignition is switched off.
Does ACC run your battery?
Question: Does having your air conditioning on while you start a car engine shorten the battery life? Answer: In a word, no – as long as your car was made in the mid-1980s or later.
What does ACC red wire mean?
The ACC wire for your car stereo is a 12-volt battery permanent wire. The ACC wire connects to and powers your car stereo. It pulls power from your car battery when the radio is in use. However, it does not pull electric power when the radio is off, saving your battery from draining.
Does ACC run down your battery?
Generally speaking – No. The ‘Acc’ position on your ignition switch is designed to only supply power to limited items such as the sound system and often the fan. A battery in reasonable condition will power these accessories easily for two hours and more and still be able to start the car afterwards.
What happens if I keep my car keys on ACC instead if fully turn the car in?
If you can only turn the ignition cylinder to the ACC position, then yes, this will drain the battery. Leaving the switch in the ACC position provides constant power to all of the vehicle’s electrical systems.
What happens if I leave my car in accessory mode?
Turning the key to the “accessory” position doesn’t actually draw any electricity from the battery. It simply allows you to draw a limited amount of electricity to run certain accessories, like the radio, the power windows and the interior lights.
Does ACC use more fuel?
The quick answer is yes, cruise control saves you gas. A Natural Resources Canada study found that setting the cruise control at 80 kph versus cycling from 75 to 85 kph every 18 seconds consumes 20 percent less fuel. Allowing the vehicle’s computer to keep the speed is better than just using your foot to do so.
