Electric trunk lock solenoid - 70-72 Cutlass

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Old Nov 29, 2011 | 08:10 AM
  #1  
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Electric trunk lock solenoid - 70-72 Cutlass

Seeking reasonably priced electric trunk release solenoid for 70-72 Cutlass Supreme. Kinda like looking for hen's teeth I think...

I do not need the harness and switch, but if you have only a "kit" to sell, then let me know what you have and want for it.
Needs to be functional and in good - restorable cosmetic shape.

Thanks!
Old Nov 29, 2011 | 08:47 AM
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Rob, I'd bet someone will have that for you - keep an eye on ebay, I know, but they often show up there at a decent price
Old Nov 29, 2011 | 08:52 AM
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I do not do ebay anymore (unless it is an established brick & mortor store that accepts credit cards directly) - forgot to mention that.
Old Nov 29, 2011 | 09:34 AM
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I saw this add - it is a few months old, but maybe he still has what you are looking for. Good Luck...

8/11/2011 I have lots of excellent used GM 68 442 Cutlass parts-- If you need other non-listed parts-- please contact me too Convertible and Hardtop modelsï¿*All GM, all excellent condition in general RH bucket seat, Delux seatbelt set, Window crank setï¿*black handles, Floorshift speedometer, Floorshift steering column, Black kickpanels No A/C, Black armrestsï¿*front and rear, Console and shifter, Door jamb Vents, Wire harness sections, AM radio w/ ***** #7302013, Dash pads--AC and no AC, Dash bezel and controls, A/C Ducts, A/C evaporator outer and inner box, 8-Track setup w/ plastic console heat diverter, Power vacuum power trunk actuator and switch, Black visors w/ OLDSMOBILE mirror, NOS 68 Interior bezelï¿*cig lighter #397848, Red headliner, Red package tray, 442 Glove box door, Tic-Toc Tac, Convertible top switch, Convertible windshield trim, Courtesy lights, Glass, Windshield pillars, Hardtop window fuzzy setï¿*new repo, Quarter window bright trim and weather-strip ---Shipping is fine for most items--- I can accept Paypal, check, credit card via phone, or money order as payment. Pricing depends on condition and rarity--in many cases I have multiples of parts so price depends on specific condition of that part---- The best way to contact is either email ros6872@hotmail.com or call after 6pm EST @ 203-272-7103--- www.ros6872parts.com ros6872@hotmail.com 203-272-7103 Meriden CT AD#68166


Old Nov 29, 2011 | 10:03 AM
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Need the electric one - the 68 uses vacuum. If I do not get anything after a while, i will hit him up and press my luck further if he has an early 70s unit......
Old Nov 29, 2011 | 10:03 AM
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Originally Posted by OldsManNJ
I saw this add - it is a few months old, but maybe he still has what you are looking for. Good Luck...

8/11/2011 I have lots of excellent used GM 68 442 Cutlass parts-- If you need other non-listed parts-- please contact me too Convertible and Hardtop modelsï¿*All GM, all excellent condition in general RH bucket seat, Delux seatbelt set, Window crank setï¿*black handles, Floorshift speedometer, Floorshift steering column, Black kickpanels No A/C, Black armrestsï¿*front and rear, Console and shifter, Door jamb Vents, Wire harness sections, AM radio w/ ***** #7302013, Dash pads--AC and no AC, Dash bezel and controls, A/C Ducts, A/C evaporator outer and inner box, 8-Track setup w/ plastic console heat diverter, Power vacuum power trunk actuator and switch, Black visors w/ OLDSMOBILE mirror, NOS 68 Interior bezelï¿*cig lighter #397848, Red headliner, Red package tray, 442 Glove box door, Tic-Toc Tac, Convertible top switch, Convertible windshield trim, Courtesy lights, Glass, Windshield pillars, Hardtop window fuzzy setï¿*new repo, Quarter window bright trim and weather-strip ---Shipping is fine for most items--- I can accept Paypal, check, credit card via phone, or money order as payment. Pricing depends on condition and rarity--in many cases I have multiples of parts so price depends on specific condition of that part---- The best way to contact is either email ros6872@hotmail.com or call after 6pm EST @ 203-272-7103--- www.ros6872parts.com ros6872@hotmail.com 203-272-7103 Meriden CT AD#68166



Ironically, I contacted those guys 1 month ago seeking the exact same thing - power trunk release setup. Unfortunately, they no longer had the item in inventory. You should still give them a buzz as it's possible another became available recently.

I eventually went the eBay route. These things move fast.
Old Nov 29, 2011 | 10:06 AM
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How soon are you planning to do this conversion, or is yours just not working?
Old Nov 29, 2011 | 10:28 AM
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Originally Posted by Allan R
How soon are you planning to do this conversion, or is yours just not working?
Absolutely no rush on it - key opens it just fine...
Old Nov 29, 2011 | 11:08 AM
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Question latch

I have one that I am not going to use. I will sell it for $80 shipping included to lower 48 states
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Old Nov 29, 2011 | 12:02 PM
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He is just looking for his next project to write about. It's been about a week since he finished the front end.

Larry
Old Nov 29, 2011 | 12:52 PM
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Originally Posted by lshlsh2
He is just looking for his next project to write about. It's been about a week since he finished the front end.

Larry



It has actually been a month - I am far behind!
Time to go back to the rear end again...
Old Nov 29, 2011 | 01:11 PM
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Hope you find one soon so I can read about. Some of us need more motavation than others.

Larry
Old Nov 29, 2011 | 04:53 PM
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The NOS solenoid I have does not look like the ones in this photo


It has different attaching tabs and looks like this:

This is the kit I bought on ebay. It was actually Aug 08 when I got it. I found a website that shows how to mount it on the original trunk release so I think I'll be ok. Note: it also came with the jumper wire for the glove box light.
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Old Nov 29, 2011 | 05:08 PM
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i have never seen one like that Allan. would that be for an added power trunk and factory ordered would be the other one?
Old Nov 29, 2011 | 05:22 PM
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Allan, Rob, & Eric,
That NOS solenoiod is from a mid '70's G.M. car (maybe '73 & up?). I have removed several of these from cars in yards over the years. I have a couple of those right now & maybe an extra '70-'72 version.
Give me a call if you want.
Scott
c. 317-727-7041
Old Nov 29, 2011 | 06:05 PM
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Originally Posted by jensenracing77
i have never seen one like that Allan. would that be for an added power trunk and factory ordered would be the other one?
Eric, it's for an add on. When I bought it (heckuva deal - 25.00) I was a little unsure if it could be adapted to the existing trunk latch. I got an online article (even showing pics) on how to install it. I also have a complete OEM for 72 that works and has the complete harness. I'll see if I can make the NOS one work first before deciding what to do with the OEM one.

Originally Posted by oldspackrat
Allan, Rob, & Eric,
That NOS solenoiod is from a mid '70's G.M. car (maybe '73 & up?). I have removed several of these from cars in yards over the years. I have a couple of those right now & maybe an extra '70-'72 version.
Give me a call if you want.
Scott
c. 317-727-7041
Hey Scott, thanks for the info on that. When I got it, the ad said it was for 72. When I looked in the GM Parts manual, I think it made reference to the B/C body trunks. Anyway, it's nice and shiny - I like nice and shiny . Do you know off hand whether the trunk latches for the mid 70 cars you took them off were the same as the early 70's like mine?
Old Nov 29, 2011 | 06:10 PM
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yeah, that looks like it bolts on to the standard trunk latch - pretty cool
Old Nov 29, 2011 | 06:49 PM
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I've got one of the ones like Allan has - pulled it out of a junk car with all the wiring, probably paid $5 for it.
The funny thing is, it pulls in hard enough to jump off the ground when it's connected to a test wire, but when I hook it up to the trunk lid, all it does is dim the lights. And, yes, the trunk latch is free. I even installed a relay on the seat back panel with power supplied by an 8ga wire straight from the battery, and no dice.

Ideas?

- Eric
Old Nov 30, 2011 | 07:59 PM
  #19  
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Originally Posted by MDchanic
I've got one of the ones like Allan has - pulled it out of a junk car with all the wiring, probably paid $5 for it.
The funny thing is, it pulls in hard enough to jump off the ground when it's connected to a test wire, but when I hook it up to the trunk lid, all it does is dim the lights. And, yes, the trunk latch is free. I even installed a relay on the seat back panel with power supplied by an 8ga wire straight from the battery, and no dice.

Ideas?

- Eric
Yup, here's one that I sincerely doesn't insult you. Is it properly grounded on the latch? Not sitting on or bolted to a painted latch? Seems to me I remember seeing a ground attached to the lower box the latch snugs to. Anyway, just a thought. Hope you find the problem but it sounds a lot like a grounding issue. What about the harness connection at the glove box? is it good?
Old Nov 30, 2011 | 08:10 PM
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Hmmmm... could be that the solenoid isn't grounded well - I'll have to try it with the thing grounded directly to the frame and see. I can always make a ground wire from the solenoid on down that runs parallel to the power wire. Funny thing is, I didn't notice any kind of a ground on the donor car.

As for the power, the connection's good, and it snaps the solenoid right open when it's not on the trunk lid.

- Eric
Old Nov 30, 2011 | 08:22 PM
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Originally Posted by MDchanic
Hmmmm... could be that the solenoid isn't grounded well - I'll have to try it with the thing grounded directly to the frame and see. I can always make a ground wire from the solenoid on down that runs parallel to the power wire. Funny thing is, I didn't notice any kind of a ground on the donor car.

As for the power, the connection's good, and it snaps the solenoid right open when it's not on the trunk lid.

- Eric
Hope it works. The thing in your post that makes me really suspect the ground is the comment
but when I hook it up to the trunk lid, all it does is dim the lights
.
Old Nov 30, 2011 | 08:40 PM
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Sounds like it is getting power, but by the dimming lights, is drawing too many amps. I would think if the ground was suspect, it would want to not work at all, or only intermittently? Is the solenoid & plunger somehow getting into a bind on installation? If so, I would think it might cause this? Or when the trunk lid is shut, if it's not adjusted right(have to slam it to get it shut) & puts the latch in a bind when closed, it might take too much effort for the solenoid to flip it open? Shots in the dark...
Let us know.
Old Nov 30, 2011 | 08:54 PM
  #23  
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Wouldn't you be able to tell if the latch is binding by using the key in the decklid? The binding theory sounds plausible to me, but I don't know if you can install it wrong enough to cause binding? If I'm reading this right Scott, you're saying that the latch itself may not be properly lined up with the 'squared off' recieved in the trunk itself?
Old Nov 30, 2011 | 10:00 PM
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The one 1971four4two posted is correct. Whether the other bolt on style will work . . . I haven't tried that style. It will work on Camaros, firebirds 70-81, some B-bodies to 74? and A-bodies 73-77.

The one 1971four4two is a pretty good deal including shipping.

I have three of that style but you "can't touch that" for under 1.5 C notes!!

My $.02.

Tim

Last edited by RATCHETMASTER; Dec 1, 2011 at 06:56 PM.
Old Dec 1, 2011 | 02:51 AM
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Originally Posted by oldspackrat
Sounds like it is getting power, but by the dimming lights, is drawing too many amps. I would think if the ground was suspect, it would want to not work at all, or only intermittently? Is the solenoid & plunger somehow getting into a bind on installation? If so, I would think it might cause this? Or when the trunk lid is shut, if it's not adjusted right(have to slam it to get it shut) & puts the latch in a bind when closed, it might take too much effort for the solenoid to flip it open? Shots in the dark...
Let us know.
Good thoughts, Scott.

It does it with the trunk lid open or closed, and I loosened and tightened it a dozen times to be sure it's not binding.

I HAVE had the experience of a starter solenoid pulling a lot of juice but not pulling in because of INADEQUATE power (corroded connections, presumably), so I know this can happen, which is why I installed a relay, but, of course, that leaves the ground at this point.

I may not get to this before the snow falls, but I'll post up a note if running a ground does it.

- Eric
Old Dec 1, 2011 | 05:28 AM
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1971four4two, PM sent.

MD, the solenoid for that application may not have enough pull to activate your latch. Since it was for a different model, the activating lever may have required less pull to move it or maybe the linkage was in a different position.
The plunger must not be pulling in and to the side at the same time. The plunger makes all of its pull going straight in. Look at the linkage and see if it is binding or not.
Old Dec 10, 2011 | 10:09 AM
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Try putting solenoid near battery and connecting directly to battery, thus eliminating existing wiring or with assistants help put a voltmeter on solenoid terminals to see what voltage is present. Also check to see if the plunger is moving freely w/o power applied. It may just be stuck. I've been there before, best luck!
Old Dec 10, 2011 | 06:31 PM
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Originally Posted by Paladin31
Try putting solenoid near battery and connecting directly to battery, thus eliminating existing wiring or with assistants help put a voltmeter on solenoid terminals to see what voltage is present. Also check to see if the plunger is moving freely w/o power applied. It may just be stuck. I've been there before, best luck!
Originally Posted by MDchanic
it pulls in hard enough to jump off the ground when it's connected to a test wire...
I know you're tying to be helpful, but you should read the thread first.


Originally Posted by Lady72nRob71
... the solenoid for that application may not have enough pull to activate your latch. Since it was for a different model...
Sorry, Rob, I got it off the exact same year and model that i have .

- Eric
Old Dec 10, 2011 | 06:44 PM
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Eric,
One other thought on this. You said you bought the release at the boneyard. Did you also pick up the wiring harness from front to back? The only other thing I can think of that might cause this problem (other than a bad ground) is that the wire to the trunk is the wrong gage? Hope you find the gremlin soon, those electrical ones are real mischievious...

Last edited by Allan R; Dec 10, 2011 at 08:00 PM.
Old Dec 10, 2011 | 06:45 PM
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Sorry I missed a portion of the thread
Old Dec 10, 2011 | 07:29 PM
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Originally Posted by Allan R
Did you also pick up the wiring harness from front to back?
Yup.

And used 8ga to the back seat bulkhead, and the original wire from there to the latch.

- Eric
Old Dec 11, 2011 | 07:00 PM
  #32  
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Originally Posted by oldspackrat
Rob, Give Scott a call if you want.
c. 317-727-7041
Scott will get you one. He might even have a stove pipe for a 350?
Old Dec 14, 2011 | 09:35 AM
  #33  
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Wow,

These trunk lock solenoids are really cool.

So let me get this straight, i could connect one of these units onto my OEM trunk lock and with some wiring magic, I could wire up a switch and open my trunk from inside the car??

Perhaps this could be an over-the-winter enhancement for my car...

Would the unit have to be a 1972? or would a bunch of them fit my application??
Old Dec 14, 2011 | 05:29 PM
  #34  
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Originally Posted by Tony72Cutlass'S'
So let me get this straight, i could connect one of these units onto my OEM trunk lock and with some wiring magic, I could wire up a switch and open my trunk from inside the car??
Perhaps this could be an over-the-winter enhancement for my car...
Would the unit have to be a 1972? or would a bunch of them fit my application??
Tony, this is a fairly easy option to install. Yes, you need a solenoid from the 70-72 range. The earlier power trunks were vacuum operated I think.
What you need is the solenoid, a power feed from the front (factory used a jumper wire to connect with the glove box light - you're going to put one of those in too?) wiring to the rear of the car, and the switch from the glove box. Since you're taking out the interior to do some work (maybe replacing the carpet and putting new sound insulation, redo the door panels etc) that is the best time to run the wiring to the back of the car. Easy job - a monkey with a drill would make it look easy.
These units come up on ebay all the time, maybe check with one of the 'parts guys' we use a lot here. One of them is going to have a complete unit for grabs.
Old Dec 14, 2011 | 07:50 PM
  #35  
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Originally Posted by Allan R
Tony, this is a fairly easy option to install. Yes, you need a solenoid from the 70-72 range. The earlier power trunks were vacuum operated I think.
What you need is the solenoid, a power feed from the front (factory used a jumper wire to connect with the glove box light - you're going to put one of those in too?) wiring to the rear of the car, and the switch from the glove box. Since you're taking out the interior to do some work (maybe replacing the carpet and putting new sound insulation, redo the door panels etc) that is the best time to run the wiring to the back of the car. Easy job - a monkey with a drill would make it look easy.
These units come up on ebay all the time, maybe check with one of the 'parts guys' we use a lot here. One of them is going to have a complete unit for grabs.
They used to use a vacuum line from the engine to the trunk!?? That sounds.. Leaky, if there's any cracks in old hoses.

Actually, i think soon is a great time, old carpet is removed, i got a brand new carpet from the parts place last year for xmas, and i am installing the front seat covers soon. I'll check with our friendly neighborhood parts guys and see what they say. What do these units usually go for? Is it only the solenoid that i need?

Thanks Allan,

Cheers,

Tony
Old Dec 14, 2011 | 07:56 PM
  #36  
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Originally Posted by Allan R
Easy job - a monkey with a drill would make it look easy.
I guess I will not post the fun of removing the old one...
Old Dec 14, 2011 | 08:47 PM
  #37  
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Originally Posted by Lady72nRob71
I guess I will not post the fun of removing the old one...
Rob,

So you had a trunk lock solenoid in your car? And you're replacing it?

I honestly havn't taken a good look at the rear lock on my car.
Old Dec 15, 2011 | 07:22 AM
  #38  
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Originally Posted by Allan R
These units come up on ebay all the time, maybe check with one of the 'parts guys' we use a lot here. One of them is going to have a complete unit for grabs.
Cool!

What should i be searching for on Ebay? It seems that "trunk solenoid" doesn't return any results..

How much do they usually go for? I'm in no rush, but if i come across a good deal i dont see why i shouldn't hop on that like Oprah on a baked ham.

Hah.
Old Dec 15, 2011 | 08:04 AM
  #39  
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Try power trunk release or trunk release. They usually go 4 between 50 and 100 dollars. The 1970 version has a chrome with black button that goes in the glove box, the 71-72 is a black with black button. You will need a 3 quarter inch drill bit to make a hole in the glovebox. The button has 4 little plastic ears that are often broken when removing it so make sure the ears are good on any one you're looking at.
Old Dec 15, 2011 | 09:05 AM
  #40  
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I searched ebay today (power trunk 442). The only completed auction I found for a factory 70-72 unit came with wires and button was $149. There are a couple auctions running currently. One ends today!


I would like to sell mine that needs some tlc. $50 plus shipping
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