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Old 10-12-2016, 08:44 PM   #1
Andy4639
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Talking A cool addition

I found this little jem tonight and will be ordering one tomorrow. O-Reilly's has them and maybe other's. If your like me and want the AC to run at it's best all the time this may prove to be a great devise.
It's a add on trainary switch that will turn the compressor off before it over pressurizes the system.
Best part is you don't have to take anything loose to mount it!


http://www.oreillyauto.com/site/c/de...1962&ppt=C0328
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1971 LWB Custom, 6.0LS & 4L80E, Speedhut.com GPS speedometer & gauges with A/C. 20" Boss 338's Grey wheels 4 wheel disc brakes. My Driver
Seeing the USA in a 71


Upstate SC GM Truck Club
2013,14 and 2016 Hot Rod Pour Tour


http://upstategmtrucks.com/



Get out and drive the truck this summer and have some fun!
It sucks not being able to hear!

LWB trucks rule, if you don't think so measure your SWB!
After talking to tech support at Air Lift I have found out that the kit I need is 60811. Per the measurements I gave them. Ride height of truck inside spring and inside diameter of springs.

Last edited by Andy4639; 10-12-2016 at 09:00 PM.
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Old 10-13-2016, 09:24 AM   #2
Custom 68
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Re: A cool addition

good find Andy, it mentions R12 do you think it will work on the converted R134? I couldn't remember if the ports are the same. I thought there was something different about them. I need to do this, I have the standard low pressure shut off but never added the high side and have worried about it.
Thanks
Dave

Edit:
I looked at your link last night on my phone and it seems to be different now and doesn't match your picture. Did you change the link or did I not see the correct one. The link above only shows the switch not all the parts shown in your photo.
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Old 10-13-2016, 09:29 AM   #3
Custom 68
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Re: A cool addition

http://www.oreillyauto.com/site/c/de...1962&ppt=C0328
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1968 Custom Chevy with turbo charged 5.3 gen III 4l80e swap
1967-71 GMC 3/4 ton long step 4x4 (not sure what year exactly?)
"A good friend will bail you out of jail...but a true friend will be sitting next to you saying "that was frekin awesome".
"If it doesn't fit force it...If it breaks then it needed to be replaced anyway!"
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Old 10-13-2016, 11:07 AM   #4
Hart_Rod
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Re: A cool addition

That's pretty slick, !
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Old 10-13-2016, 09:45 PM   #5
Andy4639
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Wink Re: A cool addition

Quote:
Originally Posted by Custom 68 View Post
good find Andy, it mentions R12 do you think it will work on the converted R134? I couldn't remember if the ports are the same. I thought there was something different about them. I need to do this, I have the standard low pressure shut off but never added the high side and have worried about it.
Thanks
Dave

Edit:
I looked at your link last night on my phone and it seems to be different now and doesn't match your picture. Did you change the link or did I not see the correct one. The link above only shows the switch not all the parts shown in your photo.
According to O Reilly's store guy the part number 36683 is what I was looking at. I don't know if it will work are not on the R134a fittings. I ordered one today suppose to be here tomorrow. If it works I'll keep it if not well then I want buy it! He said it should but I have my doubts.
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1971 LWB Custom, 6.0LS & 4L80E, Speedhut.com GPS speedometer & gauges with A/C. 20" Boss 338's Grey wheels 4 wheel disc brakes. My Driver
Seeing the USA in a 71


Upstate SC GM Truck Club
2013,14 and 2016 Hot Rod Pour Tour


http://upstategmtrucks.com/



Get out and drive the truck this summer and have some fun!
It sucks not being able to hear!

LWB trucks rule, if you don't think so measure your SWB!
After talking to tech support at Air Lift I have found out that the kit I need is 60811. Per the measurements I gave them. Ride height of truck inside spring and inside diameter of springs.
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Old 10-14-2016, 12:01 AM   #6
VetteVet
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Re: A cool addition

Here is a cool diagram for the wiring of the trinary switch Andy. It has a couple of options for a manual switch and also the part number for a Trinary switch that cuts off on the low and high pressure sides.



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Old 10-14-2016, 08:13 AM   #7
Andy4639
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Thumbs up Re: A cool addition

Quote:
Originally Posted by VetteVet View Post
Here is a cool diagram for the wiring of the trinary switch Andy. It has a couple of options for a manual switch and also the part number for a Trinary switch that cuts off on the low and high pressure sides.



Attachment 1580759

That's what I installed on my dad's 56, it works both the compressor and the fans.
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1971 LWB Custom, 6.0LS & 4L80E, Speedhut.com GPS speedometer & gauges with A/C. 20" Boss 338's Grey wheels 4 wheel disc brakes. My Driver
Seeing the USA in a 71


Upstate SC GM Truck Club
2013,14 and 2016 Hot Rod Pour Tour


http://upstategmtrucks.com/



Get out and drive the truck this summer and have some fun!
It sucks not being able to hear!

LWB trucks rule, if you don't think so measure your SWB!
After talking to tech support at Air Lift I have found out that the kit I need is 60811. Per the measurements I gave them. Ride height of truck inside spring and inside diameter of springs.
Andy4639 is offline   Reply With Quote
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