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Old 02-05-2018, 12:29 PM   #5
chevyguy_72
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Join Date: Aug 2005
Location: Broomfield, CO
Posts: 956
Re: 71 blazer heater/defrost box

Quote:
Originally Posted by hemi43 View Post
Yeah, but there's no fan. Even with heater delete, laws back then still required some sort of defrost. Even vehicles with heater delete, will still have a heater core. Not sure how GM did it, but I'm familiar with Mopars of the 60's
Theres not a fan under there either way...
The fan is on the firewall next to the heater core...
The only thing under there is the box with all the flappers.
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