+ or - how do you know

[steve dynamique]

Does anyone know of a reliable method of getting speaker wires connected to the right polarity? I tried tracing the wires from the head unit back to the speakers but Renaault have decided to us different coloured wires half way!

 

[Captain Slarty]

make a lead with 2 croc clips with a 1k resistor in the middle of it...

hook one clip to Batt +.. other to end of speaker cable at hifi amp (disconnected)

put the meter from earth (Chassis to each lead at the end of the run.. the one with reading 12v is the one at the amp end.. check at the amp for phase + or Phase -.

Joe..

 

[ReNWiLL]

Okie to check the polarity of a speaker, grab an aa battery or at least a 1.5 volt battery. Connect the ends of the battery to 2 strips of wire and then onto the speaker terminals. If the cone pushes outwards then the plus and minus are the right way round.

For the head unit, the simplest way I know of is by listening. Connect one speaker at a time and listen for the bass tones in particulally. The bass will sound clearly richer and deeper with the correct polarity.
Hope this helps.

Bill.

 

[steve dynamique]

cheers peeps!

 

[ClioJohn]

or...when removing the old speakers just look on the speaker and there is a small + sign indicating the positive wire..hehe

 

[ClioJohn]

hehe i love how complex the other solutions were

 

[steve dynamique]

I know which terminals are which! I need to know which wires are the right ones!