Question about 1987 Toyota 4Runner
It is most likely a relay in the circuit board, but it could also be one of the safety switches, of which there are several. One of the safety switches is located on the rear windshield wiper motor mechanism. The window will not operate unless the wiper is fully retracted. Another is under one of the bolts on the left side of the removable hard top, to ensure that when the hardtop is off the window will not operate. Another safety switch is located in the locking mechanism of the tailgate, to ensure that the window will not operate unless the tailgate is closed and locked. Be sure to eliminate the safety switches as possoble causes before digging into the circuit board.
The circuit board is located behind the left, rear, interior side panel, just rear of the driver's door post. It contains four relays, two of which are for the rear window (one for up, one for down). You'll need to install new relays. If you don't know which one(s) to replace, just replace all four, as they're only about $6 each. Any good electronics store should them. Try an Omron part number G5LE-1DC12. This is a simple fix and will save you a bunch of money.
San Antonio, TX
Posted on Aug 12, 2008
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Posted on Jan 02, 2017
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