3 pin horn relay. identify pins

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kevinc

Junior Member
Joined
Sep 21, 2024
Posts
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Location
arizona
First Name
kevin
Truck Year
1975
Truck Model
k10
Engine Size
350
2011 k10 350. Haven't been able to identify the pins. There are a million images and videos for 4 and 5 pin relays but not much for 3 pin. My relay is unmarked. I know they are supposed to be H, B and S. I've seen instructions on how to test the relay to identify but frankly, just want an official diagram (not a schematic but a physical identification Left, Middle and Right locations). Thanks for any help.
 

kevinc

Junior Member
Joined
Sep 21, 2024
Posts
15
Reaction score
6
Location
arizona
First Name
kevin
Truck Year
1975
Truck Model
k10
Engine Size
350
sorry, 1975 k10 350. not 2011.
 

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