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1992 Hatch release setup?

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Old Mar 18, 2011 | 05:06 PM
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From: Stoughton, MA
Car: 1985 camaro Z28
Engine: 305 5.0 V8 carburated
Transmission: 700r4
1992 Hatch release setup?

I have a 92 camaro rs that is manual everything (no power windows, or locks). I know there is a plug in the center console, but I don't know what it's for. I'm hoping it's for the hatch release. I don't have one but I want to hook one up and kide it under the dash or something.

Should the wiring be there? Any pics of what I should look for in the back of the car on the hatch assembly?

Last edited by chevydrvr; Mar 21, 2011 at 02:39 PM.
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Old Mar 18, 2011 | 09:01 PM
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From: Cary, North Carolina
Car: 1992 RS
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Re: Wiring for hatch release?

wiring diags here: http://www.austinthirdgen.org/index.php?pid=19

Scroll down to bottom, tons of 1992 wiring diags there, will show release button wiring and such for the rear hatch.
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Old Mar 18, 2011 | 09:49 PM
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From: Stoughton, MA
Car: 1985 camaro Z28
Engine: 305 5.0 V8 carburated
Transmission: 700r4
Re: Wiring for hatch release?

Thanks, but I'm more looking for how to do it, and what I need. I've searched and it seems like I just need the solenoid for the lock and a ground wire? There doesn't seem to be any type of "how-to" on here for this,and maybe I could do one when I do this.
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Old Mar 19, 2011 | 02:37 PM
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From: Stoughton, MA
Car: 1985 camaro Z28
Engine: 305 5.0 V8 carburated
Transmission: 700r4
Re: Wiring for hatch release?

I found a couple solenoids at the junk yard today and a relay and some wiring for one of them. It came off of an 85-90 Iroc (from what it looked like) and I jsut read that the 91-92 camaros didn't have a hatch release that popped, but it just activated the motor to go up. What do I need to do to get this to work? I found the connector in my center console for the relay, but do I just need to put in a switch?

Also, would any momentary contact switch work from radioshack or something? or do I need to use that button switch that these cars came with? I plan on just mounting it under the dash or something.

EDIT: I found the wires and jumped them together and the hatch motor went up as it should. But for some reason it doesn't unlatch? It goes up then just goes right back down. Am I missing something?

Last edited by chevydrvr; Mar 19, 2011 at 03:28 PM.
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Old Mar 20, 2011 | 10:17 AM
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From: Stoughton, MA
Car: 1985 camaro Z28
Engine: 305 5.0 V8 carburated
Transmission: 700r4
Re: Wiring for hatch release?

Anybody? I would like to get this finished up today if at all possible. Do I need to adjust the position of the whole motor assembly? I read that it could be that the struts aren't powerful enough to push up on the hatch to unlatch it?
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Old Mar 20, 2011 | 06:07 PM
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Re: Wiring for hatch release?

Not sure about the 91.5-92 cars, but on the older ones, you need the switch, the wire (or A wire) running from under the dash to the rear, and the hatch release solenoid. Yes, the switch you have may raise the hatch motor, but there is nothing to unlatch it without the solenoid.

:edit: Looked in the diagram at the link posted above, and I think I'll have to consult the 92 FSM on this one as the assembly is confusing without any descriptions...

Last edited by Maverick H1L; Mar 20, 2011 at 06:11 PM.
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Old Mar 20, 2011 | 07:33 PM
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From: Stoughton, MA
Car: 1985 camaro Z28
Engine: 305 5.0 V8 carburated
Transmission: 700r4
Re: Wiring for hatch release?

Well,from what I'veread on other threads is that the 91-1/2 to92 hatches used some sort of rampto unlatch the hatch as the motor brought it up. That makes sense as the back ofmy hatch pulldown has a little lever, but I don't have the "ramp". Could somebody post a picture of their 92 hatch pull down?
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Old Mar 22, 2011 | 01:38 PM
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Re: Wiring for hatch release?

Ok, I looked in the 92 FSM, and it works like this:

The switch tells the motor to crank the hatch up. As the hatch and latch rise, there is a lever in the latch mechanism that catches on a lever molded into the plastic or whatever material that is that makes the back housing. The lever is pushed into the "disengage" position and the hatch unlatches and should rise when at the top with good hatch struts (like anyone has those, right?). You may want to break down the entire assembly and make sure the lever isn't bent and that the "ramp" isn't worn down so far that the hatch won't come unlatched. It may also be that your hatch struts are weak and aren't providing enough vertical pressure to disengage the latch switch (the switch in the latch, not the one in the dash or console) so you may want to be there to try lifting the hatch when you next try the button to see if the unlatching mechanism works.

I have a pic in the FSM, but it's not exactly the best quality and may not even be entirely correct. Should be on a sort of short pyramid structure about 2/3 of the way from the lower motor housing.
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Old Mar 22, 2011 | 01:50 PM
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From: Stoughton, MA
Car: 1985 camaro Z28
Engine: 305 5.0 V8 carburated
Transmission: 700r4
Re: 1992 Hatch release setup?

All I can see is a round black thing on the back of the motor housing (back as in facing you if you are behind the car) and it has a peg sticking out of it. If you push either down or up (can't remember which) on that peg, it rotates the little wheel and unlatches it. I don't see any sort of ramp at all. If I have the chance tomorrow, I may take it out and take a look at it.
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Old Mar 22, 2011 | 02:07 PM
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From: ft.lauderdale Florida
Car: 1989 IROC Z
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Transmission: T5
Re: 1992 Hatch release setup?

Originally Posted by chevydrvr
All I can see is a round black thing on the back of the motor housing (back as in facing you if you are behind the car) and it has a peg sticking out of it. If you push either down or up (can't remember which) on that peg, it rotates the little wheel and unlatches it. I don't see any sort of ramp at all. If I have the chance tomorrow, I may take it out and take a look at it.
if you Do get a chance to take a look at it tomorrow, take some pics and post them. im currently re-building my hatch release motor on my 90' rs. the 90's and 91'-92's had diffrent hatch release motors from what i understand, if you grabbed a 90' hatch release motor then i can take some pics and show you the "ramp" that my style has. (im assuming the ramps are diffrent because the motors are) and if u have a slam hatch, then your car wont have the ramp in it. youll need to get that
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Old Mar 22, 2011 | 02:10 PM
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From: Stoughton, MA
Car: 1985 camaro Z28
Engine: 305 5.0 V8 carburated
Transmission: 700r4
Re: 1992 Hatch release setup?

Mine is an electric pulldown , it isn't just a slam shut type. I believe my hatch motor thing is original to the car also, so I may just be missing the "ramp".

Could you post a pic of the ramp on your '90?

Please and thanks!
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Old Mar 22, 2011 | 02:15 PM
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From: ft.lauderdale Florida
Car: 1989 IROC Z
Engine: 5.0 tpi. stock [for now]
Transmission: T5
Re: 1992 Hatch release setup?

Originally Posted by chevydrvr
Mine is an electric pulldown , it isn't just a slam shut type. I believe my hatch motor thing is original to the car also, so I may just be missing the "ramp".

Could you post a pic of the ramp on your '90?

Please and thanks!
okay i get what your saying now. i must admit i have no clue how the 92's are set up, i only know how mine is. i wish i could be more help in that aspect. ill be messing with it in a little bit, ill get a few pictures of my ramp and post them.
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Old Mar 22, 2011 | 03:51 PM
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From: Stoughton, MA
Car: 1985 camaro Z28
Engine: 305 5.0 V8 carburated
Transmission: 700r4
Re: 1992 Hatch release setup?

Thanks for the pics when I get them.


And Maverick...what is a FSM?
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Old Mar 23, 2011 | 07:54 PM
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From: Stoughton, MA
Car: 1985 camaro Z28
Engine: 305 5.0 V8 carburated
Transmission: 700r4
Re: 1992 Hatch release setup?

Any luck on the pics?
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Old Mar 23, 2011 | 08:27 PM
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Re: 1992 Hatch release setup?

This ramp is merely a catch for that peg to fall into. As the motor raises, the peg falls into position, and the shape of the catch moves the peg to release it. On it's way down the peg is in a neutral position, as it falls back into the plastic catch and the catch will locate the peg back to a spot that will catch the next time it's disengaged by switch. I will try and get a picture tomorrow for everyone's clarification. I have 3-4 units, and had to figure out the situation myself, as my original one was jacked, found a good one in the yard with the spring unit still on it (rarity for it's age) and realized after it caught 5 or 6 times what exactly needed to happen. Looked at my other units to find that plastic "catch" or "ramp" and realized that's what controlled the actual popping of the hatch as the motor pulled up. If you will, the piece/catch i'm talking about is like you reaching for a door handle and pulling, this piece "pulls up" on the peg to pop it as it comes up.
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Old Mar 23, 2011 | 08:33 PM
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From: Stoughton, MA
Car: 1985 camaro Z28
Engine: 305 5.0 V8 carburated
Transmission: 700r4
Re: 1992 Hatch release setup?

I think I understand what you are saying...if you can get a picture, that would be great!
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Old Mar 24, 2011 | 10:36 AM
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Re: 1992 Hatch release setup?

Here is a picture of the latch release block used on the 91.5-92 pull-down units. As you can see it installs to the back of the plastic frame of the pull-down unit with two very small screws. If you rotate the picture 90 degrees clockwise it will be shown as installed. The lever on the back side of the latch makes contact with the larger of the two ramps as the latch portion rises, causing the lever to rotate and unlatch the hatch hook. When this happens thre is a coil spring that pushes the hatch hook up.

Lon

http://www.top-downsolutions.com/lat...ody-p-152.html

Last edited by lonsal; Mar 24, 2011 at 10:43 AM.
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Old Mar 24, 2011 | 01:39 PM
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From: Stoughton, MA
Car: 1985 camaro Z28
Engine: 305 5.0 V8 carburated
Transmission: 700r4
Re: 1992 Hatch release setup?

Thanks! That helped a lot! I wonder if I could somehow make my own and save about 30 bucks.
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Old Mar 24, 2011 | 03:58 PM
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Re: 1992 Hatch release setup?

Well. I was doing ok. Now I'm confused AF.
Anyway. I'm installing a hatch pull down, and trunk popper in my car. In the convertibles, appearently there was no switch to pop the trunk, just had to use the key. Sooo, I am putting one in. I used a standard relay, ran a wire back of course, and I found on tds, the trunk release solenoid. It screws right onto the pull down unit, there's already a screw hole and everything. Should actually be pretty simple.
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Old Mar 24, 2011 | 04:51 PM
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From: Stoughton, MA
Car: 1985 camaro Z28
Engine: 305 5.0 V8 carburated
Transmission: 700r4
Re: 1992 Hatch release setup?

Is it possible for somebody to post a picture of that release block from TDS installed?

Or possibly a picture with dimensions so I can try to make my own.

Last edited by chevydrvr; Mar 24, 2011 at 05:01 PM.
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Old Mar 24, 2011 | 06:15 PM
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Re: 1992 Hatch release setup?

I can't find my third unit that had electric trunk pop, just the manual electric pull down unit. If i find it and noone else can post a pic, I will (providing I ever find it lol)
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Old Mar 27, 2011 | 10:00 PM
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From: Stoughton, MA
Car: 1985 camaro Z28
Engine: 305 5.0 V8 carburated
Transmission: 700r4
Re: 1992 Hatch release setup?

Anybody get any pics yet or dimensions?
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Old Mar 31, 2011 | 02:23 PM
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From: Stoughton, MA
Car: 1985 camaro Z28
Engine: 305 5.0 V8 carburated
Transmission: 700r4
Re: 1992 Hatch release setup?

Nobody has a 91.5/92 hatch release? I just need a quick pic and dimensions of the release block.
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