Can anyone tell me what this is?

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efuehrin

Junior Member
Joined
Dec 6, 2017
Posts
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Location
Concordia, MO
First Name
Eric
Truck Year
1980
Truck Model
K20
Engine Size
350
It was hanging under the dash of my son's 83 K20, about at the center, close to the ash tray.
I'm looking at schematics but it's a chore trying to find anything out. The only thing it has written on it is AC.
Thank you,
 

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shortarms

Member
Joined
Dec 28, 2021
Posts
36
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8
Location
Oklahoma
First Name
Rex
Truck Year
1986
Truck Model
K10 Suburban
Engine Size
350
Yep, you got it. Took me a while when i found mine too, nothing labeled.
 

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