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An Overview on How to Install Neon & LED Interior Car Lights

Posted: Thursday, January 27, 2011

By Antonio T Gabellone

So you've got your LED or Neon interior car lights, but you're now a bit confused
as to where all the car interior neon lights and wires go?" Well fear not, we'll
show all the "in's & out's" of this type of installation and the easiest way of
doing it.

It's a good idea to disconnect the battery before installing any car light
accessories. You can do this by disconnecting the negative battery cable and
placing it to one side of the battery where it won't touch any part of the vehicles
body. It's also wise to have your vehicles service manual handy for information
about the specifics of the electrical system on your vehicle.

For interior car lights, the best places to mount the LED or neon tubes are under
the dash on both sides just above where your feet go, but high enough so as not
to kick the tubes or damage them. There are also many other places you can fit
them and their location is only limited by your imagination.

To operate the lights manually, your going to need a switch located near you,
so you'll need to buy a simple "2way toggle" switch (or use the switch that
may have came with your neon/led tube kit) from your nearest custom car
accessories store. This switch will be inserted into (in-line with) the main
power wire that supplies the kit with 12Volt power.

Choose if you want your interior car lights to turn on automatically when the
headlights are turned on, or if you want to control the lights separately with a
"toggle" switch.

If you want the neon or LED tubes to light up automatically when the headlights
are turned on, then you will need to find a wire under the dash near the
steering column. This wire you are looking for is normally Red or Yellow, and it's
supplying the "headlight control switch" with 12V power - you're going to have
to "tap" into this wire to light-up your neon lights when the headlights are
turned on.

If you want to be able to control the interior car lights separately from the
headlights, (best option) then there's two ways you can do this...

1) The power wire can be connected directly to the Positive side of the car
battery, or...

2) It can be connected to any 12V power wire from under the dashboard.

If you choose to tap into a power wire from behind the dash to power your interior car lights you'll also need to
buy a "Circuit Tester" from your nearest custom car accessory store - they only
cost about $10 dollars. To use this tester is simple, it looks like a pen with an
earth wire hanging out the top of it and a clamp attached to the end of the
wire, and it has a globe inside the middle of the pen, or on its end, which lights
up when you have found power somewhere.

To complete the interior car lighting circuit - you'll now just need to
attach the earth wire coming out from the from your led or neon tubes to the
chassis of the vehicle. You can do this in the same way as described above for
the earth wire on the tester - anywhere where there is bare steel under the
dash is always a good earth connection for your interior car lights, even if you
find a screw under the dash that is screwed into bare steel and it is holding
another wire in place as an earth, you can use this too as an earth location.
The control panel earth wire will need to be securely screwed to the chassis of the vehicle
or to any "Earth wire" to complete the power circuit.

After your "power" & "earth" connections are complete, your car interior neon
lights should now work. If they appear dull and not real bright, then be sure to
check that you have made GOOD earth and POWER connections.
That's it, you're all done - now all you have to do is put any plastic panels back
into place that you may have removed, pack your tools up, and then head off to
show your friends what a great look you've just created on your car - Enjoy!

Please see our "More-In-depth" and step-by-step picture illustrated instructions on the How to install page listed below.


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