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Thread: 3-lever switch

  1. #1

    Default 3-lever switch

    This is kinda stock and modified tech... I wired my 3 level switch to work with a aftermarket harness. It was working great and all the positions work as they should except BO (not installed my were crusty inside). I have been driving it a few days regular since I got the wiring finished and shocks installed. Wife decided to go with me tonight to tractor supply and on the way home the lights... all the lights.. went out. I have had the same thing happen when the truck was stock and I just figured it was the supper crappy wiring and the fire dept blending the 12 and 24v systems... With this new development I am guessing it is the switch. After turning it off and on twice they came back on. I was wondering if there is a new version or model of the switch that I can get to replace mine. I am not too interested in NOS (being 40 years new) and having the same issue. If thats the only way to go I might have to get a headlight switch. I did spend a pretty decent amount of time getting it rigged to work though and would like to use the stock one. Just can't have the lights going out and the wife freaking out...

  2. #2
    Join Date
    Jan 2007
    Location
    west central wisconsin
    Posts
    315

    Default

    New manufacture switches are available. I doubt you would find a NOS switch. About fifty dollars will you get you a new one. There is a push button version available ,but they are pricey, and some guys don't speak too highly of them. DJ

  3. #3
    Join Date
    Sep 1998
    Location
    North Central Wisconsin
    Posts
    11,520

    Default

    The most likely problem is that something metal inside the switch is loose enough to touch something with power and is tripping the internal circuit breaker. I have had this exact thing happen. Mine, it wa the metal rod that runs from the unlock lever up to the top of the switch inside...it got loose and, depending on how it was in there, it might or might not touch a live wire connection...the lights would all go out...after the rod moved off the connection with power about 10 seconds or so after, a click in the switch told me that the internal circuit breaker had reset.


    New switches can be had from many surplus dealers and are often on Ebay...there is one now:

    http://cgi.ebay.com/MILITARY-VEHICLE...QQcmdZViewItem

  4. #4
    Join Date
    Dec 2003
    Location
    Giddings, Texas
    Posts
    7,729

    Default

    Does your "Lock" lever actually lock the top lever from moving anywhere but BO from off? If not, then you for sure have parts floating around in there.

    I went through 3 or 4 used switches last summer until I found one that worked in all postions and let me have brake lights too. Get a new one if you need to replace it.
    Remember if you didn't build it you can't call it yours.

    6.2 powered M715, 5 M1009's, M416, 2 M101's, 2 M105's, 3 M35's, M1007 6.5 turbo Suburban project called Cowdog.

    https://www.youtube.com/channel/UCCz...HGkBCfhXZ5iuaw

  5. #5
    Join Date
    Jan 2007
    Location
    woodland ca
    Posts
    474

    Default

    mine is toast too...the locking lever broke....enough to were i can put the shaft out....and when i took it apart, looks like some one welded a spring to that locking bar, and things were arcing out, but i took all that stuff out and hopefuly it might work.
    my signature is sweet huh?

  6. #6

    Default

    Locking level works but there very well could be stuff floating around in it. I might try and take it apart and see if I can figure out what is messed up inside it. It didn't do it till I was about 1/2 a mile from the house so I was lucky.

  7. #7

    Default

    Are you 12 volt now? Does anyone know the amp rating of the internal breaker? When we "rearanged" the wiring in Joe/IA's truck back in the 90's it had the same problem. I assumed that going to 12 volt doubled the amperage load on the light switch possibly overloading it. I just changed it so the light switch was used to operate a relay that powered the headlights, no problems since.

  8. #8
    Join Date
    Sep 1998
    Location
    North Central Wisconsin
    Posts
    11,520

    Default

    Wow...theres a good bit of info...never thought from that angle.

    Does anyone have a switch apart to see if the circuit breaker has the load rating on it?

  9. #9

    Default

    I am 12 volt now.. Hmm does anyone have one apart before I rip mine open? Might have to get you to school me on the relay and how to wire it in. I am good at following directions and can figure out a pin out or schem but no idea what a relay does...

  10. #10

    Default

    In this case anyway, a relay is a device that is used for switching higher amperage loads, taking the load off of whatever is controlling the relay (example- another switch, computer). You can probably find one that will work at any parts store that sells add on fog lights, $5-$10 I'm guessing.

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