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inverter on with car on w/o switch

Printed From: the12volt.com
Forum Name: Lights, Neon, LEDs, HIDs
Forum Discription: Under Car Lighting, Strobe Lights, Fog Lights, Headlights, HIDs, DRL, Tail Lights, Brake Lights, Dashboard Lights, WigWag, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=94697
Printed Date: December 05, 2021 at 2:55 PM


Topic: inverter on with car on w/o switch

Posted By: dkeshish
Subject: inverter on with car on w/o switch
Date Posted: June 11, 2007 at 5:05 PM

Hello I am trying to wire my car inverter to turn on when my car is turned on. Instead of constantly opening the trunk to turn the inverter on and off I would love to be able to not worry about "oh did I leave my inverter on? did I turn it off". Just curious if I can wire my inverter to run when I turn my car on and off when the key is off...  I know to directly wire it to the battery so this is where I am stuck... THANKS ALL.



Replies:

Posted By: still_walkin
Date Posted: June 16, 2007 at 3:27 AM
to your fuse box pick a curict that you can use either when the car is completely on or in accesory mode .liek if you have power locks that fuse requires the car to be comletely on . make sure you fuse the invertor

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Posted By: stealthone
Date Posted: July 20, 2007 at 3:56 AM
If your inverter draws less than 30 amps, you could simply break the power feed from the battery with a standard automotive (black cube)relay that is wired to an ignition-on circuit. That way you would need to have the ignition on to power the relay and in turn the inverter.




Posted By: KPierson
Date Posted: July 20, 2007 at 8:06 AM
It all depends on the size of the inverter......

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Kevin Pierson




Posted By: js305
Date Posted: July 22, 2007 at 11:12 PM
There is also a 70 amp relay available that is much like the standard 30 amp relay you are referring to. The main difference is that two of the connections have to be done with .375 inch terminals. One company that markets this relay is NTE. Their part number is R51-1D70-12F I believe.

As you say, the best way to use the ignition to turn things on and off is with a relay with a low amperage coil and the points wired directly to the battery. Especially in newer vehicles where computers and other electronics are sensitive.

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Joe in Texas





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