tailgate window safety/latch switch - Ford Bronco Forum
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post #1 of 9 (permalink) Old 01-09-2017, 09:50 PM Thread Starter
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Unhappy tailgate window safety/latch switch

I've read so many posts/ threads about how this is a common problem with Broncos and it seems like the most common solution is to just bypass it. I've already replaced the entire tailgate and it's components (window, window motor) except for this safety switch. And I still have problems with the tailgate window.

So I have a couple of questions..

1. If I don't want to bypass the switch and just replace it, where do I find a replacement switch? Or is bypassing it my only option? (LMC truck doesn't have this part. Neither does jcwhitney)

2. What the technical name for this part? I keep reading "safety switch", "latch safety switch", I've had a mechanic tell me "tailgate key switch (which I'm pretty sure isn't the same thing). Because I sound like an idiot trying to explain what this part does, to someone who isn't familiar with Broncos.


Just some info: 89 Bronco XLT
problem part: inside tailgate, on the drivers side, looks like wiring from it goes through the brake light which I think is the wiring harness?

Sorry for the long post. I'm getting frustrated with people talking to me like I don't know what I'm talking about.

If any of my info is wrong, someone please correct me. I'm at my wits end with this little part.
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post #2 of 9 (permalink) Old 01-09-2017, 11:14 PM
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Tailgate key switch, may not be your problem- go to this site 1983 Ford Bronco Tailgate Tech pictures, videos, and sounds | SuperMotors.net, it will tell you everything you need to know about the t-gate. Look for the part about the safety interlock switch- test it. Hope it's that and not the tailgate key...
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post #3 of 9 (permalink) Old 01-09-2017, 11:30 PM
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post #4 of 9 (permalink) Old 01-10-2017, 03:45 AM
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I'm not actually sure which of the 2 features you're talking about.
The rod/lever in the tailgate handle that won't open until the glass is down, or the gate latch that restricts the key switch from raising/lowering the glass.

Not trying to be mean... just need to be certain which one because you seem to be referencing both. [gate latch = key] or [rod/lever = handle]

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post #5 of 9 (permalink) Old 01-10-2017, 07:13 AM Thread Starter
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Thank you for the diagram!!

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post #6 of 9 (permalink) Old 01-10-2017, 08:06 AM
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That switch by the latch is very simple momentary switch. You maybe able to use another style in its place fairly easily. Such as one for dome lights near the door. All it does is interrupt the power going to the window motor. So to bypass it all you have to do is connect the wires going to it (there are 2) together. You could even do this temporarily while a switch can be found. I maybe able to find the one from my tailgate as I deleted it, if I can find it you can have it.


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post #7 of 9 (permalink) Old 01-10-2017, 10:41 AM
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Some useful information for you

Tailgate Key Switch (Junk Yard Only AFAIK)


Rear Window Interlock Safety Switch (Junk Yard Only AFAIK) TO bypass: Pull the connector off the white switch and jumper the two contacts to bypass the switch. Remember that you will break the window if it is not fully lowered when opening and closing the tailgate.


Most common reason this switch doesnt work is, the bushings for the Striker have broken and/or fallen off. The striker bushing is needed to hold the switch closed properly so the contact on the switch can be engaged.


Tailgate Handle Release Assembly


Tailgate Handle Interlock Rod - Does not allow you to open the tailgate unless the window is all the way down. This feature can be removed easily.


To Remove the Tailgate Handle Interlock Rod Feature, Remove the Tailgate Handle Release Assembly.

Cut off the Arm at the black lines below, OR Drill out the rivet holding this arm on. Remove the Interlock Rod. Put it back together. Enjoy NOT having to replace the latch because you bent the release lever on the Handle Release Assembly.

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post #8 of 9 (permalink) Old 01-15-2017, 01:27 PM Thread Starter
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Quote:
Originally Posted by jowens1126 View Post
Some useful information for you

Tailgate Key Switch (Junk Yard Only AFAIK)


Rear Window Interlock Safety Switch (Junk Yard Only AFAIK) TO bypass: Pull the connector off the white switch and jumper the two contacts to bypass the switch. Remember that you will break the window if it is not fully lowered when opening and closing the tailgate.


Most common reason this switch doesnt work is, the bushings for the Striker have broken and/or fallen off. The striker bushing is needed to hold the switch closed properly so the contact on the switch can be engaged.


Tailgate Handle Release Assembly


Tailgate Handle Interlock Rod - Does not allow you to open the tailgate unless the window is all the way down. This feature can be removed easily.


To Remove the Tailgate Handle Interlock Rod Feature, Remove the Tailgate Handle Release Assembly.

Cut off the Arm at the black lines below, OR Drill out the rivet holding this arm on. Remove the Interlock Rod. Put it back together. Enjoy NOT having to replace the latch because you bent the release lever on the Handle Release Assembly.
Thank you. This helped a lot

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post #9 of 9 (permalink) Old 01-15-2017, 05:39 PM
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IIRC, the safety switch - that only allows the window to operate if the t/g is fully closed - is part of the driver's side latch assembly. It will not show up as a separate part.

If the tailgate isn't adjusted correctly, neither switch will operate the window. I wouldn't bypass that switch as it might result in a broken window. Sometimes if you push in on the drivers side of the t/g, and operate the key switch, it will work.

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Last edited by j. r. Nice; 01-15-2017 at 05:44 PM.
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