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Wheres a 12v source always on?

Old Aug 9, 2010 | 07:31 PM
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Default Wheres a 12v source always on?

Im trying to wire a eletric pressure gauge and its asking for a 12v source that is always on even when the ignition is off. Where is something like this at?
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Old Aug 9, 2010 | 07:40 PM
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Also, where is a wire to connect to 12v dash lighting?
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Old Aug 9, 2010 | 08:29 PM
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You should be able to get a constant 12 volt source from one of the fused spots in the fuse box on the side of the dash or you can run a wire up to the battery. 12v dash lighting will be the green wire coming out the plug harness that goes into the back of the light switch.
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Old Aug 9, 2010 | 09:58 PM
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Gauge is working but its 50 psi off from the bottle gauge. Light isnt working either.
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Old Aug 9, 2010 | 10:36 PM
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What gauge are you using.
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Old Aug 10, 2010 | 08:09 PM
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Marshall
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Old Aug 11, 2010 | 06:37 AM
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You don't really want it on a non-switched power source, it becomes a drain at that point...

If it's 50 lbs off, try checking it with another bottle.. make sure it's not the bottle ga that's off.

If it's still off... I'd return/ditch it. 50 lbs of bottle pressure is enough to effect a tuneup some, depending on how much you're spraying and how close your tuneup is.
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