A note to those of you who have '99 and '00 model trucks - the relay that works so well in the '94-'98 trucks will not work for you. The red/orange and violet/white wires on the headlamp connector are ground wires on the '99 and '00 trucks whearas they are 12v+ on the '94-'98 models. The third wire in the connector is a solid violet 12v+ wire on the '99 and '00, but it is a black ground wire on th '94-'98's. With the newer trucks, the multi-function switch on the steering column in effect toggles between the two grounds, completing only one circuit at any given time. The way to rig this up to do the job of the brite box is easy. First, remove the plastic shrouds on the steering column. Also remove the black plastic cover that fits around the multi-function switch harness. Remove the 5/16 screw that holds the harness to the multi-function switch assembly and pull the harness loose. Then put a jumper from pin 18 to pin 19. Look on the back of the harness to make sure you get it right - you're trying to connect the violet/white lo side wire to the green wire directly below it that goes to the headlamp switch. Turn the headlamp switch to on without the jumper in place - only the parking lamps should light up. Put the jumper in - the lo beams should come on. Put the whole thing back together and your done! Now when you turn the headlamps on, the lo beams will stay lit all the time and the multi-function switch will just turn the hi beams on and off. You may also want to run a heavier wire from the battery to the solid violet wire on the headlight connector so that it doesn't have to carry all that current on the small guage wire. You could also put a switch in line of the jumper to turn the feature on and off. The best part of this is that everything you need to do it is practically free except for the fuse holder if you decide to run power from the battery.
BTW, I can only speak with absolute certainty on the '00 models. I assume that the '99 is the same way because there is one brite box sold for the '94-'98 trucks and one for the '99 and '00 trucks. You should look at the service manual for your truck before you do anything, no matter what year it is. Have fun!
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'00 2500 4x4, LB, 5spd. ,
3. 54 LSD, trailer tow,
camper special, plow
prep, Van Aaken CPC,
265/75 cooper's, Line-X,
Activator II, alumasport
diamond toolbox, auto
ventshade, cold front,
cup smoothie, pioneer
custom fit cd, bazooka
bass tubes, SS
convertaball, silencer
ring removed
apprentice BOMBer
[This message has been edited by Arcticat (edited 02-13-2000). ]