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1992 Chevy G20 AC issues
#792493 June 26th 2022 8:02 pm
Joined: Feb 2018
Posts: 218
Likes: 15
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Joined: Feb 2018
Posts: 218
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Question, last year I had the electrical drain on my 1992 Chevy G20 Mark III van as you may recall. Had the dash off and found the issues and fixed.

Just got the van out of storage Friday and odd, but when I turn on the AC (yes, it does get warm in Iowa) I noticed that the blower doesn't blow and the AC isn't working. The AC was working at the end of the year as I had it converted to R134a before I put it in storage for the winter.

But when I turn on the vents the blowers work.

I have checked the fuse for the AC (silver 30amp fuse in panel is good)
I have checked and it's not the pressure low switch.

Anyone have any thoughts on where I may start in the trouble shooting. I don't think having the dash off plays a big part as the AC was working when the dash was all put back together.




Thanks
Bob

Re: 1992 Chevy G20 AC issues
Just4fun1991 #792513 June 27th 2022 10:46 pm
Joined: Feb 2018
Posts: 218
Likes: 15
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Update

Catfish helped me figure out the problem. Fuse had incoming power and fuse was good, but no power from the fuse out to fan speed control switch. In leu of pulling fuse box, ran new wire with fuse to power switch and all works well. Can’t thank CATFISH enough. The guy knows vans!!!!

Thanks again a million times over

3 members like this: Rusty Pancelode, frscke1, frscke1
Re: 1992 Chevy G20 AC issues
Just4fun1991 #792540 June 28th 2022 10:11 am
Joined: Sep 2005
Posts: 9,517
Likes: 83
carpal tunnel
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carpal tunnel
Joined: Sep 2005
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Glad to help. Hope you find a good buyer.
That's a very nice van at a very good price IMHO.

Re: 1992 Chevy G20 AC issues
Just4fun1991 #792541 June 28th 2022 11:43 am
Joined: Feb 2018
Posts: 218
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It is a nice van in great shape! I fixed all the issues and have owned it for a while and it does need a new owner. I still have my 1991.

Here is a picture of my 1992 Chevy G20 with 66,320 miles, 5.7 engine, 4 speed transmission, 134A air conditioning, backup camera (with bumping stereo) and Vision wheels.

[Linked Image from i.imgur.com]

Don't know if that image link will work or not.


Thanks
Bob

Last edited by Just4fun1991; June 29th 2022 5:19 pm.
2 members like this: CatFish, frscke1

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