Observe polarity and touch a 1.5 volt battery to the terminals and note the direction the speaker cone moves.
a speaker polarity is sub mainframe of the ................................
you can take a 9v batt and tap it to your speaker wire. Hold one wire to a terminal on the 9v and tap the other on and off the opposite terminal if the speaker pulls in wrong polarity if the speaker pushes out its correct. Then just make note of which one was on which terminal of 9v and your good to go
The positive speaker wire is a solid color, your negative wire should have a stripe on it.
You shouldn't need to perform a polarity test on a CT, as its terminals are normally identified with polarity markings.
2006 Mazda 6 Car Stereo Radio Wiring Diagram Radio Constant 12V+ Wire: Blue/RedRadio Switched Ignition 12V+ Wire: OrangeRadio Ground Wire: BlackRadio Illumination Dimmer Wire: Light Green/RedRadio Antenna Trigger Wire: N/ARadio Amplifier Turn On Wire: Blue/BlackFront Speaker Size: N/AFront Speaker Location: N/ALeft Front Speaker Wire (+): RedLeft Front Speaker Wire (-): WhiteRight Front Speaker Wire (+): BlueRight Front Speaker Wire (-): YellowRear Speaker Size: N/ARear Speaker Location: N/ALeft Rear Speaker Wire (+): PurpleLeft Rear Speaker Wire (-): PinkRight Rear Speaker Wire (+): White/BlueRight Rear Speaker Wire (-): Black/Blue
The speaker wire with a red stripe or marking is typically the positive wire.
To test polarity on a boiler set the meter to loop, touch the two leads together, and it will buzz or read as "000". This will show you the polarity as well as test for continuity.
Battery Constant 12v+ Wire: WhiteAccessory Switched 12v+ Wire: White/BlackGround Wire: BlackIllumination Wire: Red/YellowDimmer Wire: Red/GreenAntenna Trigger Wire: PinkLeft Front Speaker Positive Wire (+): WhiteLeft Front Speaker Negative Wire (-): Black/BlueRight Front Speaker Positive Wire (+): BlueRight Front Speaker Negative Wire (-): White/RedLeft Rear Speaker Positive Wire (+): Light GreenLeft Rear Speaker Negative Wire (-): Light Green/BlackRight Rear Speaker Positive Wire (+): GrayRight Rear Speaker Negative Wire (-): Gray/Black
In a 1994 Corolla, the radio battery constant 12v+ wire is blue/yellow, the radio accessory switched 12v+ wire is gray, the ground wire is brown, and the illumination wire is green. For the front speakers, the left front speaker wire (+) is pink, the left front speaker wire (-) is violet, the right front speaker wire (+) is light green, and the right front speaker wire (-) is blue. For the rear speakers, the left rear speaker wire (+) is black, the left rear speaker wire (-) is yellow, the right rear speaker wire (+) is red, and the right rear speaker wire (-) is white.
1998 Toyota Tacoma Stereo Wiring InformationRadio Battery Constant 12v+ Wire: Blue/YellowRadio Accessory Switched 12v+ Wire: GrayRadio Ground Wire: BrownRadio Illumination Wire: GreenLeft Front Speaker Positive Wire (+): PinkLeft Front Speaker Negative Wire (-): PurpleRight Front Speaker Positive Wire (+): GreenRight Front Speaker Negative Wire (-): BlueLeft Rear Speaker Positive Wire (+): BlackLeft Rear Speaker Negative Wire (-): YellowRight Rear Speaker Positive Wire (+): RedRight Rear Speaker Negative Wire (-): White
For the front speakers in a 1993 Ford Ranger pickup truck, the left front speaker wire (+) is orange/green, the left front speaker wire (-) is black/white, the right front speaker wire (+) is white/green, and the right front speaker wire (-) is black/white. For the rear speakers, the left rear speaker wire (+) is pink/green, the left front speaker wire (-) is pink/blue, the right rear speaker wire (+) is pink/blue, and the rear right speaker wire (-) is green/orange.
Constant 12V+ Wire: Light Green Ignition Switched 12V+ Wire: Black/Yellow Ground Wire: Black Illumination Wire: Blue/Yellow Dimmer Wire: N/A Left Front Speaker Wire (+): Green Left Front Speaker Wire (-): Blue/Red Right Front Speaker Wire (+): Light Green/Yellow Right Front Speaker Wire (-): Black/Green Left Rear Speaker Wire (+): Green/Yellow Left Rear Speaker Wire (-): Blue/Orange Right Rear Speaker Wire (+): Green/White Right Rear Speaker Wire (-): Green/Blue