Easiest would be to tap to your ignition or starter wire. You can find this
in the main harness running from the ignition switch down. Drop the knee
bolster, find the harness and you want the Dark Blue for your ignition or
Yellow for your starter.
Ok, so the Dark Blue would be a 12v source that goes off with the
ignition? I pulled the lower panel (I assume what you mean when you
say knee bolster) - will this Dark Blue wire be with many others, or
by itself (or only a few others)?
The Dk. Blue wire will be in a harness with about 6 others. I will be
bundled with the yellow wire I referenced. This Dk. Blue is your Ignition 1
wire and will only have 12 volts when you have the key all the way forward
(with or with out the truck running) it will not work in the accessory
If you want it to work in the accessory position, then you have to tap your
accessory wire which is Green or Orange.
I'm talking about the actual cigarette lighter, not the 12V accessory outlet
at the bottom. The lighter is powered off of fuse #29, which is only
energized in the run or accessory positions of the ignition switch.
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