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Pw tailgate window down but not up

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by 87Blzr, Jan 11, 2001.

  1. 87Blzr

    87Blzr 1/2 ton status

    May 24, 2000
    Likes Received:
    Ok sh.. happens and I got mad and pulled a nutty when I had my tailgate down. Therefore I picked it up and slammed it as hard as I could. (I wasn't even mad at the truck) Luckily all is good except that I can only put the window back up by the dash switch and not the key in the tailgate. It still goes down by the key but not up. I know it won't let you put it back up if it isn't shut all the way but what determines that? It is shut all the way and lined up perfectly thanks to a new GM rear floor. Obviously I loosened or broke something and am looking for some insight on where to start. Its really a pain to use the dash switch to close the window and I hate it when things don't work. Any insight? (I mean on my window problem, not the fact I flip out now and then and the truck takes the abuse)

    87 K5 Siverado, 68 SS 396 Camaro
  2. Wheels

    Wheels 1/2 ton status

    Aug 18, 2000
    Likes Received:
    Native Floridian living in Oklahoma, USA
    On the left latch (drivers side) there is a safety cutout switch that from what I can tell only works with the keyed switch in the tailgate when trying to raise it. This may be your problem. You can gain access to it with the gate up or down. I find it easier with the gate down and the window rolled up and supported. Disconnect the plug and run a jumper wire between the plug terminals and try the key. If it works, then the switch is bad or the mechanism that activates it is not making contact. To pull the switch out, remove the screws that hold the latch (the switch is mounted on the latch). Also, check the connections under the tailgate to make sure they are connected.

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