Can anyone tell me an easy way to tell what speaker wire is + and - they are labled A/B , and the speakers are not marked either. (I'm replacing with aftermarkets). Thanks in advance, Brad
Replies (2)
swez on 05/29/2007 20:32:57
Welcome to CK Brad,
I don't know the wiring color codes for your GM vehicle, however the are a few ways to determine polarity. Most GM cars use a solid color wire, (Pos terminal) and a odd color with a colored stripe or solid color of a different color for the Neg.
Another method to test polarity on a speaker is to use a common 9 volt DC battery or low power DC power supply. When the cone pushes out, that means the + side of the battery is connected to the + wiring terminal on the speaker.
If the cones pulls inward, polarity is reversed on the DC power source.
Once you know the positive terminal on each speaker, just mark the proper wiring colors so that all cone are moving in the same direction
at the same time.
Do you understand these steps?
Swez
PS If one of our Pro Installers catches this post, they can tell you the proper wiring color codes for each speaker and polarity too.
swez on 05/29/2007 21:03:40
Just found this chart and it may be helpful:
http://www.installdr.com/Harnesses/GM-Wiring.pdf
Swez
Replies (2)
swez on 05/29/2007 20:32:57
Welcome to CK Brad,
I don't know the wiring color codes for your GM vehicle, however the are a few ways to determine polarity. Most GM cars use a solid color wire, (Pos terminal) and a odd color with a colored stripe or solid color of a different color for the Neg.
Another method to test polarity on a speaker is to use a common 9 volt DC battery or low power DC power supply. When the cone pushes out, that means the + side of the battery is connected to the + wiring terminal on the speaker.
If the cones pulls inward, polarity is reversed on the DC power source.
Once you know the positive terminal on each speaker, just mark the proper wiring colors so that all cone are moving in the same direction
at the same time.
Do you understand these steps?
Swez
PS If one of our Pro Installers catches this post, they can tell you the proper wiring color codes for each speaker and polarity too.
swez on 05/29/2007 21:03:40
Just found this chart and it may be helpful:
http://www.installdr.com/Harnesses/GM-Wiring.pdf
Swez
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