yeah on a plow setup you are supposed to have the 6 pin 3 way toggle switch with only 2 on truck or 2 on plow on at a time, i would be willing to say that somewhere in the line you cooked a main feed wire trying to power 4 highbeams off of a 2 light circuit... if you cant get the 6 pin 3 way switch you can always get a 3 pin 3 way switch and run a relay to power the plow lights off of 1 setting on the 3 way switch and the other position on the 3 way switch to the factory headlights, of course with the 3 pin 3 way you will have to wire the toggle switch after your high/low beam switch there... hope you good luck in finding the current issue, but easiest thing i can think is to get a cheap test light if you dont have one and start testing for power from the mfs back towards the battery/fuse block
[2002 F150 4wd 4.2L 5 speed (Daily Driver)
1997 Ranger 2wd 4.0L 5 speed ( SOLD )
1990 F250 4wd 5.8L E4OD trans ( Death by rust.. killed before it lived )
1989 F250 4WD 5.8L ZF5 ( Sold.... I miss it already )
I too have no high beam headlights. I just stopped working! Pass won't work, looks like #16 fuse is fine. Fuses 26/28 also appear fine. High beam indicator works and lights up blue. Help!
It helps if you actually identify your specific vehicle as there are variations between some years and some models.
Since the cluster indicator works, there is an open circuit at or "downstream" from the splice where that indicator's signal is picked off from the high-beam circuit. That rules out the MFS and all the fuses.
Ronny, if you have power to the head light switch, and power out of it to the fuse, and power out of it toward the headlights.... there is a splice in the wire somewhere by the firewall that connects the high beam indicator light. What SHO89 is saying is the wire from the fuse to the bulb is probably bad, and probably near that splice... THis assumes you have power out of the fuse, and no power at the head light plug, and bulbs are known to be good ??
2002 SuperCrew 4 x 4 5.4 XLT -110K miles -NEW
2010 EDGE FWD - V6 ----------34,000 miles
2002 Explorer 4 x 4 4.0 XLT --- 162,000 miles
2001 SuperCrew 4 x 4 5.4 XLT -235K miles -GONE
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