86 4runner rear window?

r_mac1973

New Member
Joined
Apr 8, 2011
Location
spring lake,nc
I have an 86 runner that the rear window wont go down or up. I have straight wired it to the battery and the motor works fine. I have also went to 4crawler and read the cheap mod for bypassing all the relays and safeties. I am not real swift on wiring but I do have a DPDT switch and wire and connectors I am wanting to wire it up and bypass all that relays and safeties and put a switch in the dash but the problem Im having is how to wire it cant seem to figure it out if you guys have any schematics or can explain in the language of the lamen I would be very grateful. Sorry for the long post and Im sure it is on here somewhere or atleast on the internet but I can not seem to find it. Thanks for any help I get.
 
Check the goose neck at the tail gate. Odds are the wiring is broken there. It comes out under the rear quarter panel on the drivers side right under the tail light. Fix that and it will probably work like normal. (provided all the safetys are in correct position.) There is also a control unit behind the side panel in the back seat on the drivers side. Pull the door sill trim and the screw in the trim piece that the seat belt comes out of and carefully pop the trim away from the body. (It's 25 year old cardboard.) My module had a burned circuit on it so I had to custom make a dual relay set up to get mine to work. Basically to make the window go up and down you need to switch the polarity of the voltage. Run power to both relays and then wire one on the output side back wards on the one hooked to the down button. I got all my stuff at radio shack.
 
thanks

That is good info and I thnk you for it will try but Im so tired of working on it just want to bypass all that crap and go from the battery to a switch and then to the window if you have a good way to do that I would be gratefull. Thanks man.
 
How good are you at wiring? It takes some thought to make this work without just hooking it to the battery and then swapping leads to make it go the other direction. If you just want to jump all the safetys, you just unplug the safety and run a small jumper wire across the two terminals. "Top removed" one is on the drivers side in the rear about half way between the back seat and the tail gate right as the seam between the top and body. The "tailgate open" one is in the tail gate on one of the latches, (Follow the wiring to the connector), the "wiper in park position" one is at the wiper motor. (two wire connector on it's own.) I think that's all of them. Someone else chime in here If I've forgotten any.

Basically I went to radio shack and got two push button switches and two double pole double throw relays and wired it so one switch sent power to the positive side of the motor and ground to the negative side of the motor and the other sent power to the negative side of the motor and ground to the positive side. (It has to switch both because if you just ground the negative of the motor it will only turn one direction.)

Then I installed the switches next to the cluster on the trim there.
 
thanks

Cool I went to radio shack and got a dpdt switch but cant seem to figure out how to wire that one in so I might just do exactly what you did sounds to be alot easier then what I am trying to do. Thanks for the info you have been a great help to my now new headache....LOL
 
Yea, I tried to do the dpdt switch thing too, but couldn't come up with a good way to make it work. You'd have to have 2 to do it and then the amp draw on the motor would probably burn the switches up. Here's a pick of where I put the switches. They're actually square but I used my artistic ability and turned them sideways to get a more elegant look.:lol:

I used white out for the arrows and got a glob on the down one.

The switch to the left is for lights. And I got power for the whole set up from the blue connector closest to the firewall at the fuse box in the drivers foot well. It only works with the key on but you could probably get it from the fuse box so that it would work with the key off.
 

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Sorry for all the questions I think I have acheived full confussion on this one usually pretty good at stuff like this and again man I can not say how much you have helped me!!
 
Basically I went to where the control unit was and put my relays there. I ran a single power wire from the blue plug in connector on the side of the fuse box to the NO contact on one relay and the NC contact on the other relay, then ran a ground wire to the NC contact on the first relay and the NO contact on the second relay. Then I ran the other side of the relay (Output) to the two big wires in the connector from the control unit. (These are the wires to the motor) Then I ran a power wire to the switches and from the switches to the coils on the relays and then to ground from there. Use the same gauge wire as the leads to the motor for the first group. The switch wiring can be much smaller as it's low amp draw.

I just patched 3 wires into a yellow butt connector for the power and ground for the motor. (One power/ground in, two powers/grounds out.)

And it goes without saying, don't push both buttons at the same time when it's done. You'll blow the fuse or more probably let the smoke out of the motor.

Hope this helps. If you've got questions, let me know.
 
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