Hello, orange wire at the brake switch is hot all the time, feed to the switch, white wire goes hot when the switch is activated, feed to the brake lites.
Put something heavy on the brake pedal, check for voltage on the white wire. Does the high mount brake light work?
It looks like you might have a bulb out for the upper light and a turn signal switch out for the other two.
Here is a guide that will show you how to test for a power loss.
Here is a brake light wiring diagram so it will make it easier to find
Please let us know what you find.
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Monday, April 6th, 2009 AT 11:25 AM