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Heater Question

k5baby

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Joined
Jun 7, 2004
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Location
Prattville, Alabama
Putting the 72 back together I noticed 3 small rubber hoses going into the firewall together to a heater valve. My question is where do they hook up to in the engine compartment? :confused:
 
The only 3 small hoses coming through the firewall on my Jimmy go to the windshield washer nozzles and the water tank on the drivers fenderwell.

My heater controls are all operated by cables.

Hope this helps.

DCP_2843.jpg
 
If you've got A/C then they go to engine vacuum.

Your heater control will have three nipples on the back side under the dash.
Dig into your manual, it'll show you where they all go.
 
Those are definiteley the hoses I was talking about. I just caught a glance at where they were going inside the firewall and saw some type of valve and assumed it had something to do with the heater.
I don't have a/c, so now I know where they go. The windshield resevoir was dry rotted so I tossed it last year and still have forgotten to get one. Thanks.
Here's the latest pic.

blazer side.JPG
 
Man O man, I'll be glad when I get mine in the shape you got yours. Sure looks nice. I love a new paint job.
 
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