Copymutt
Full Access Member
- Joined
- Jan 17, 2020
- Posts
- 222
- Reaction score
- 675
- Location
- Colorado
- First Name
- Jim
- Truck Year
- 74
- Truck Model
- K20
- Engine Size
- 350
Already scrolled thru 20+ discussions and no mention of this.
74 K20, heater control worked as its designed-low medium high speed fan.
In the process of painting firewall I see the 3 wire connection at the fan box has a low resistance coil of wire between 2 leads. There’s also a cut wire going to the third terminal. What’s up w/ that? Must be factory for different set up?
74 K20, heater control worked as its designed-low medium high speed fan.
In the process of painting firewall I see the 3 wire connection at the fan box has a low resistance coil of wire between 2 leads. There’s also a cut wire going to the third terminal. What’s up w/ that? Must be factory for different set up?
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