how can i tell if it's the blower motor or switch? i swapped fuses under hood. heater will heat up, just wont blow. was hoping it was a fuse but don't think so.
Mar 30, 2021 at 1:59 PM
(Merged)
DANNY L
✓ASE Certified Mechanic
5,648 POSTS
Hello, I'm Danny.
The blower motor relay is located in the under hood battery junction box. Here is a tutorial showing how to test a relay:
I've attached a picture below of the junction box showing the blower motor relay location and circled in red for your truck. Hope this helps and thanks for using 2CarPros.
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