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Usually a blue or yellow power wire is either "remote turn-on" or "power antenna", and those will BOTH be positive. I haven't installed every type of head unit there is on the planet obviously, but those are fairly standard color codes. If you don't need or aren't using a remote turn-on, and don't have a powered antenna, just cap those wires off to prevent an accidental short-circuit and ignore them.
What else can I help you with?
What are the Rear speaker wire colors on a 2005 Mitsubishi?
The left rear speaker wire positive is -Yellow/Blue negative is - Black/Blue The right rear speaker wire positive is - Yellow/Red negative is - Gray/Red
Is the pink wire positive and the black wire negative?
Yellow= Constant +12volt Red= Switched +12volt Black= -12volt or ground Blue= remote Blue/White= power antenna Pink or Orange= wire color depends on brand but is the dimmer for lights.
What is the colour of the positive terminals of the power pack?
If it is a power pack that gives jump starts it would be the red, yellow or blue the positive would be white or black. If it is a power pack that gives jump starts it would be the red, yellow or blue the positive would be white or black.
What wire is what for an 92 Astro van radio?
red is positive. black negative. yellow is power antenna if you have one. combo's of green/brown blue/yellow are front/back left/right speakers.
What color is the power wire in a 99 prizm factory radio?
blue and yellow
Where does the blue wire go in an electric space heater?
The modern colours are Brown = positive : Blue = negative : Yellow and green = earth.
What color is the power wire for a 94 buick regal stereo?
the power color is red blue and yellow
What color is the power wire or wires for a 93 Toyota tercel?
blue with yellow stripe
What are the standard fan wire colors and their corresponding functions?
The standard fan wire colors are typically red for power, black for ground, and yellow or blue for control signals. The red wire carries power to the fan, the black wire is the ground connection, and the yellow or blue wire is used for controlling the fan speed or other functions.
Which colour wire in SMPS carries -12 V?
The blue wire typically carries the -12 V in an SMPS (Switched-Mode Power Supply).
Which is the Hot wire and which is the Neutral wire if the wires you see are a Brown a Blue and a Yellow Green wire?
In electrical wiring, the live or "hot" wire is typically brown or red, the neutral wire is typically blue or black, and the ground wire is yellow or green. So, in this case, the brown wire is likely the hot wire, the blue wire is the neutral wire, and the yellow green wire is the ground wire.
Do you have a audio wiring diagram for a 91 Pontiac grand prix?
Car Radio Battery Constant 12v+ Wire: Orange Car Radio Accessory Switched 12v+ Wire: Yellow Car Radio Ground Wire: Black Car Radio Illumination Wire: Brown Car Stereo Dimmer Wire: Gray Left Front Speaker Positive Wire (+): Tan Left Front Speaker Negative Wire (-): Gray Right Front Speaker Positive Wire (+): Light Green Right Front Speaker Negative Wire (-): Dark Green Left Rear Speaker Positive Wire (+): Brown Left Rear Speaker Negative Wire (-): Yellow Right Rear Speaker Positive Wire (+): Dark Blue Right Rear Speaker Negative Wire (-): Light Blue Car Radio Battery Constant 12v+ Wire: Orange Car Radio Accessory Switched 12v+ Wire: Yellow Car Radio Ground Wire: Black Car Radio Illumination Wire: Brown Car Stereo Dimmer Wire: Gray Left Front Speaker Positive Wire (+): Tan Left Front Speaker Negative Wire (-): Gray Right Front Speaker Positive Wire (+): Light Green Right Front Speaker Negative Wire (-): Dark Green Left Rear Speaker Positive Wire (+): Brown Left Rear Speaker Negative Wire (-): Yellow Right Rear Speaker Positive Wire (+): Dark Blue Right Rear Speaker Negative Wire (-): Light Blue
