Wire

What is this wire connected to the back of my radio?

What is this wire connected to the back of my radio?
  • 4521
  • Dennis Rose
  1. What is the reverse wire for on a car stereo?
  2. What is the accessory wire in a car stereo?
  3. What color are the rear speaker wires?
  4. What is the power antenna wire for?
  5. What color is the reverse light wire?
  6. What happens if you don't ground a car stereo?
  7. What is a 12v constant wire?

What is the reverse wire for on a car stereo?

It is used to indicate when the car is in reverse. That red wire is for head units that do not have a dedicated rear/backup camera wire. If your head unit has one dont use that red wire if u do not have a dedicated backup camera wire (purple) then attach that wire to the hot wire of ur rear reverse light!

What is the accessory wire in a car stereo?

The wire that shows less than 12V at that point is the dimmer/illumination wire. Most aftermarket head units usually use an orange wire or an orange wire with a white stripe for this. The wire that still shows 12V is the accessory wire, which is usually red in aftermarket wiring harnesses.

What color are the rear speaker wires?

Wiring Harness Color Standards

Wire ColorWire Function
GreenLeft Rear Speaker (+)
Green with Black StripeLeft Rear Speaker (-)
WhiteLeft Front Speaker (+)
White with Black StripeLeft Front Speaker (-)

What is the power antenna wire for?

WHAT DOES THE REMOTE TURN ON WIRE DO? ... When the ignition of the vehicle is turned off, the remote turn on wire stops transferring voltage and the amplifier turns off. If the remote turn on wire is connected to a wire in the vehicle that has constant voltage, the amplifier will always be on.

What color is the reverse light wire?

Wire Color By Manufacturer

Standard Wire Function Dual Bulb SystemWire Color
GroundWhite
Single Purpose System
Brake LightsUse Converter
Backup LightsRed

What happens if you don't ground a car stereo?

Apart from alternator whine, poor grounding can cause the amplifier to clip. Poor grounding can cause the amp to cut in and out. When the car stereo is turned up, the amps pull more current. If the system has an unreliable ground, the amp cannot pull the needed current.

What is a 12v constant wire?

Yellow wire labeled "battery" should have constant 12 volts, whether the car is on or off. ... Red Wire labeled "ACC" should only have power when ignition is turned to ACC or car is running. If it always has 12v, then again something is not hooked up right.

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