heater upgrade
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Tuned
Joined: Sep 2006
Posts: 250
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heater upgrade
I am just getting around to upgrading the heater to a chevy motor and squirl cage out of a 78 half ton truck, that was suggested on this site some time ago. I am electrically challenged so this might sound simple but I could use some help. The chevy motor has one wire coming out of it and the original bronco has a power and ground. I am assuming that I could hook the power wire up and then ground the black wire to a screw on the the motor assembly? Will this work?
Senior User
Joined: Nov 2011
Posts: 306
Likes: 1
From: FLG AZ
Way late reply but nope, that won't work. The heater box is made of a non-conductive composite material. You'll need to run the ground wire to a point on a metal part of the body/dash. I did the mod and it's a significant increase in output!
Elder User
Joined: Oct 2005
Posts: 677
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There is another wrinkle too.... I did this mod a while back too.... I think you have to make the hole in the heater box larger as well... my 67 dash had two holes for the defroster... my 74 has three.... one in the middle... the 67 dash will not clear the center of the windshield on a good damp cold day...
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The67Beast
1967 - 1972 F-100 & Larger F-Series Trucks
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Dec 16, 2012 04:16 PM
