Question about 1992 Toyota 4Runner
I had similar problem on my 98 4runner it would even go all the way down on its own . I removed the rear panels controller mount, unplugged all the harnesses at the controller to cleanly remove the upholster panel and the steel panel so I could plug the controller harnesses back in to trouble shoot it without having panels hanging and dangling. I actually had to drill a rivet on controller mount.
I removed the front panel switch from the circuit. You can reach in under by the emergency brake handle and pop the switch assembly out the unplug the switch. I used my 12 volt battery from my RV and applied 12 volts directly to the motor (Pos to red, minus to green) to raise it all the way up, this did not cure the problem for me so I put the up/down switch back in the circuit.
Next I had to unplug the harnesses again and raise the window again with the RV battery. With window raised all the way you can reach the plug to unplug the key switch and remove it from the circuit. This fixed it for me so I left the key switch on rear tailgate unplugged and it now works fine with just the front panel switch.
Hope this helps
Posted on Jan 02, 2011
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Posted on Jan 02, 2017
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