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Welcome, I'm Chris (aka Moose).
Locate junction block 1 https://dl.dropboxusercontent.com/u/90220402/jb1.png
Unplug it and apply power and ground to the red and red/blue wire https://dl.dropboxusercontent.com/u/90220402/e2.pdf
If the light comes on then the integration relay is bad, if the light does not come on then the bulb is blown.
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