Orange
Red with a black stripe.
it should be the same as mine. pull the wiper lever towards you to turn the brights on and off
bad ground in high beam switch
Try pushing the turn signal lever forward, or pulling it toward you. This is a common location for the high beam switch.
I believe the dimmer switch is in the steering wheel column.
you will probably have to replace the headlight switch.
Pull the turn signal switch towards the steering wheel to activate high beams.
9005 low beam 9006 high beam 9011 HIR low beam 9012 HIR high beam HIR is not an HID bulb althought with no modification, it produces HID intensity without annoying another drivers... definetly something to look into
Check fuses in power distribution block under hood
The high beam wire on the 2004 Toyota Tacoma is red with yellow stripes. You can use a test light to determine which wire is active when the high beams are on.
Green with black stripe
If equipped, it is above the liftgate glass.