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Alpine 1390L Tuner
Alpine 1390L Tuner
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Old 8th February 2012, 04:06 PM   #1
Old School Alpine is offline Old School Alpine  Germany
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Join Date: Dec 2011
Location: Karlsruhe
Default Alpine 1390L Tuner

Hi All, does anyone have a user manual for the Alpine 1390L, or at least be able to tell me what the black wire on this unit is for? I assume it's the ground wire,
but I hate to assume! There's a blue wire, and it's labelled power ant., but the black isn't labelled!

Thanks in Advance
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Old 8th February 2012, 05:45 PM   #2
Perry Babin is offline Perry Babin  United States
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Measure the resistance from the wire to the case of the tuner. If it's ~0 ohms, it's almost certainly a ground wire.
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Old 8th February 2012, 06:02 PM   #3
Old School Alpine is offline Old School Alpine  Germany
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Join Date: Dec 2011
Location: Karlsruhe
Quote:
Originally Posted by Perry Babin View Post
Measure the resistance from the wire to the case of the tuner. If it's ~0 ohms, it's almost certainly a ground wire.
You da man Mr. Babin, you da man ~0 ohms!!

Thanks
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