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Need advice for determining negative and postive ford loom 

 

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 Post subject: Need advice for determining negative and postive ford loom
Posted: Thu Sep 28, 2006 5:34 pm 
Getting Side Ways
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The Gregorys has the low and high series EF wiring as follows.
And my question is, is the NEGATIVE at the top and POSITIVE at the bottom like I've done to the diagram. Because the Gregorys left that part out?

 

 

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Last edited by Kit on Fri Sep 29, 2006 1:49 am, edited 1 time in total.

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Posted: Thu Sep 28, 2006 7:34 pm 
Smokin em up
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The colors ending in B (for Black) are the negatives.
Also see this thread (last post): http://www.fordmods.com/forums/viewtopi ... highlight=

 

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Posted: Fri Sep 29, 2006 1:53 am 
Getting Side Ways
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Thanks for the reply. Looking back at my Gregory's table above, why is the black trace on the bottom line for front speakers and on the top line on the rear speakers.

Is that the universal standard, black trace always Negative. Because that Gregory's example is confusing if not?
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Posted: Fri Sep 29, 2006 11:18 am 
Getting Side Ways
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If ever unsure on the polarity of a speaker use a 1.5volt battery and click it on the speakers wires, if the cone pushes out the wire that is on the positive terminal of the battery is the positive for the speaker. DO NOT USE any battery higher than 1.5 volts as it will cook your speakers. Another handy item is an analogue multi meter as you can use the ohms x1 to quickly find speakers by clicking on the speaker wires and the speaker will emit a ticking sound, this test wont work with a digital meter.
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