What is this?

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brentcovey

Junior Member
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Apr 12, 2023
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Location
Shelton, WA
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Brent
Truck Year
1979
Truck Model
K20
Engine Size
350
Can someone tell me what this is? It's on the driver's side inner fender well. I think I've seen it before but can't remember what it is.
 

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Turbo4whl

Supporting Member
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Location
Downingtown, PA
First Name
Wayne
Truck Year
1974
Truck Model
Jimmy
Engine Size
350
That is a resistor for an electric brake control. You would see them on the older style hydraulic actuated trailer controller. The electronic type controllers can be dial set to lower braking.
 

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