Rear power window fix solved!!!!

[buck nasty]

If your back tailgate window roles down on your blazer and does not roll up it's most likely your window switch. It's located on driver side tailgate latch. In side the switch is copper contacts that get dirty and corrode. There is no need for a jumper wire or new switch, all you need to do is clean the contacts with small wire brush. First lower tailgate , take screws out of tailgate plate in center of tailgate. Unhook latch controle rod from clip on latch control in center of tailgate on driver side. Second unscrew tailgate latch on driver side and carefully pull latch and switch out of tailgate. Unhook electric pluge from switch and unbolt switch from latch. Third you need a small flat head screwdriver and pry up 4 metal tabs on the switch top. Carefully remove the cove from metal bottem there is a spring and small copper square peice under pressure if the spring is still in contact. Forth you need to clean the 3 half round copper contacts and square copper peice with a small wire brush. Fith check your springs and change if needed. Sixth put some dielectric grease on all copper contacts and putt switch back together and bend tabs back with plyers. Reinstall back in blazer and ride around with window down with confidents that it will roll back up.

[68Timber]

They sure do give trouble. Thanks for detailing how to fix this.

[buck nasty]

Oh, The switch is called rear power window safty switch. It is so you cant roll the window up with the tail gate down.

[zaccaglin]

The switch is located in the passenger side latch of my 85 suburban if that helps anyone. Maybe possibly changed in later years? The previous owner of my rig bypassed it and ruined the factory connector. :/
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[kwin]

Isn't there a upper limit switch on these?

Keith

[buck nasty]

[buck nasty]

[buck nasty]