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how to use a multimeter when installing car audio system?

i would like to know how to use a multimeter to check if i have a good ground and check the rest of the system.

Posted 930 days ago

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lmcaraudio 		You can check the ground using this link... http://www.the12volt.com/installbay/forum_posts.asp~TID~49445~PN~1 You can set your gain by using these links... http://mobile.jlaudio.com/support_pages.php?page_id=143 http://www.thesuicidaleggroll.com/gain.htm You can check the voltage at an amplifier by measuring across the power and ground cable. It should be around 13-14.4 volts at the amp when the car is running. Good Luck!!!

930 days ago

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lmcaraudio 		on the multi meter take the black wire and attatch it to your cars ground wire for the cd deck. then take the red wire on the multi meter and touch the power wire. should jump really to 24v if u got good ground

930 days ago

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