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#1 Old 08-01-2006, 08:02 PM
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Lightbulb Head light high beams not working

OK, here's another one from "mister been fixing it back up lately". I hope y'all don't get tired of me.

Anyway, both high beams stopped working a few years ago. I just left it be, as I rarely ever use high beams anyway. Too much trouble flipping them on and off out on the road. When it first happened, I checked every fuse and relay, but all were good. I even ordered a wiring diagram, but couldn't track down the problem. Today, I went ahead and installed 2 new sealed beams, because one of the originals had become pretty dang dull. The new ones look super bright compared to the old ones, and I hoped that maybe by some miracle the high beams would work again, but they did not.

Anyone else ever seen this problem? I've been told by a couple shade tree types that it's probably a bad connection in the column switch. Also, according to the wiring diagram, the high beam indicator lamp in the cluster will not illuminate unless the high beam lamps are good... well, the indicator lamp does light up. I'm stumped.

1994 Xtra Cab V6 4x4 5Spd



If it ain't broke, keep fixin' it until it is broke... then go buy a new one.
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#2 Old 08-01-2006, 09:08 PM
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I would say its in the colum , I had a nissian do that , I have a couple laying around just in case.

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#3 Old 08-01-2006, 10:03 PM
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Quote:
Originally Posted by KY_TOY
I rarely ever use high beams anyway. Too much trouble flipping them on and off out on the road.
haha...i dont find it that difficult to flip the lever forward.....then back

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Originally Posted by qsd-dan View Post
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#4 Old 08-01-2006, 11:12 PM
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KY_Toy,
I went through the exact same problem 2 months ago, it was the dimmer switch in the column. I ordered it through the local toyota dealer for around $35.00. It was very easy to change out. I am not a vehicle mechanic by any means. Please feel free to email me if you have any questions @ sjslr@cox.net.

Simms
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#5 Old 08-02-2006, 12:32 AM
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The Dimmer switch has some truth to it.

Looking at the schematics, it appears the Dimmer has a seperate switch for the High Beam and supplies the ground.

I used to work on F-16s and had to read schematics like this but it has been awhile.
It appears if the HEAD LIGHT CONTROL RELAY was Inop, then the lights wouldn't work at all.

I don't have complete faith in these schematics, as they don't seem to show the High Beam switch, but if you bypass B5 on Connecter B of the Dimmer Switch, you may find your High Beams will work.

If you bypass it, and it works, then replacing the Dimmer switch should solve your problem.

Hope this helps...
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