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Mod | | | Forums66 Topics128,022 Posts1,055,362 Members48,420 | | Most Online14,466
Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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For helping keep this great
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#98431 12/14/2006 8:05 PM | Joined: Feb 2006 Posts: 1,867 Shop Shark | | Shop Shark Joined: Feb 2006 Posts: 1,867 | Now this was one of the 1st questions I asked about with my truck. When you run the heater motor on high it will be warm, when you run it low it will be hot. If you touch the back of it itll burn you, it did me...
In idiot terms (how I understand it) the heater motor uses a lot of power, the coil on the back of the switch turns that excess power to heat, therefore your sending less power to the heater motor so it turns slower and vice versa. High setting puts more power to the motor and less to the coil on the back of the switch so it stays cooler.
Let us know what you find. Jeff | | |
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