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Discussion Starter · #1 ·
So I went ahead and purchased the BMW lead that plugs into the factory GPS power outlet to run to my soon to be arriving Zumo 550. Does anyone know which wire goes to what on the Zumo? The lead from BMW has the plug attached on one end, and then three unlabled yellow wires with no connections extending from it to wire to the Zumo.
 

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goose512 said:
So I went ahead and purchased the BMW lead that plugs into the factory GPS power outlet to run to my soon to be arriving Zumo 550. Does anyone know which wire goes to what on the Zumo? The lead from BMW has the plug attached on one end, and then three unlabled yellow wires with no connections extending from it to wire to the Zumo.
#1=ground (negative)

#2= pulse (don't think you need it)

#3=12 volts DC (positive)

used one to make a power cord for my old car Nuvi. Works great. ;)
 

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Discussion Starter · #3 ·
How do I tell which one is 1,2, and 3? No lables?
 
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