Question about 1987 Toyota 4Runner
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Posted on Jan 02, 2017
REMOVE THE REAR TRIM PANEL ON THE TAILGATE AND SEE IF THE MOTOR IS GETTING 12 VOLTS AND A GOOD CHASSIS GROUND CONNECTION, MANY TIMES THE WIRING HARNESS THAT GOES IN TO THE TAILGATE DEVELOPES A OPEN/BROKEN WIRE FROM THE REPEATED OPENING AND CLOSING OF THE TAILGATE, THE WIRE BREAKS INSIDE THE PLASTIC INSULATOR AROUND THE WIRE, SO IT IS NOT APPARENT ON VISUAL INSPECTION, REQUIRES THE USE OF AN OHM METER AND A VOLT METER.
Posted on Mar 30, 2009
SOURCE: The tailgate window on my
Your problem, in order of your trouble-shooting, is either:
- the fuse for the window relay, or
- the window relay, or
- the dash switch, or
- the window motor.
For the fuse - pull out your owner's maniual and locate the page for the fuse-box diagram and find which fuse operates the rear window. Then locate your fuse box and (using that manual diagram) find the fuse and pull it. Check to see if the fuse-link inside it is solid or broken. If broken, then that's your problem and you just need to replace the fuse with the same amp-rating (the amp rating is stamped on top of the fuse. It''ll say "10A" or "15A" or maybe "20A" and be a distinctive color. Just run to the auto store and get that same color. You may even hacve a spae fuse of that type in a storage slot in the fuse box. Toyota does that on many models.
If the fuse link is solid, then re-insert the fuse back into its slot (firmly re-seat it) and try the dash switch again (sometimes the fuse contacts just need to be re-seated). If it still does not work, then move-on to next step; the relay.
To find the rear window relay, you'll need to do a bit of sleuthing. It is complicated, so I will just point you to a pdf file that takes you thru the access to the relay in the tailgate and the fix. It is at:
Posted on Mar 30, 2009
try looking in black fuse box under the hood, usually on drivers side. lift cover off and also flip cover of box over for fuel pump relay location, also check main fuse for ecm while you're there. hope this helps and thank you for choosing fixya.com
Posted on Dec 27, 2010
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