It's becoming more common for vehicles to come equipped with cigarette outlet plugs that don't turn off with the ignition switch. I recently had someone who didn't want his cigarette outlet to stay on all the time, and this was what I did using a standard SPDT Relay.
This was done on a 2010-2012 Ford Fusion. Under the dash on the left side, above the driver kick panel you will see the small fuse panel. To the right of that there will be a gray harness with a 14-16 gauge Purple/Green wire, that should be the "Switched 12 Volt Accessory Wire". When you test it with a digital multi meter it should read 0 when the key is off, 12 volt in the acc. position, 12 volt in the run position, but should shut off and read 0 during crank. This diagram will work on pretty much any vehicle, the difference will be finding the "Switched 12 Volt Accessory Wire". Most of the time you can find it coming off the ignition switch, but the colors will vary. To note, it doesn't matter what wire you interrupt coming off the cigarette plug, It will work using either wire.
-Jeremy's Car Audio Tips
#caraudio #car #electronics #sandiego #12volt
I recently had someone who didn't buy-cigarettes-dutyfree.com want his cigarette outlet to stay on all the time,
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