What is this supposed to connect to?

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SewardsFolly

Supporting Member
Supporting Member
Joined
Mar 16, 2026
Posts
4
Reaction score
16
Location
Washington
First Name
Ian
Truck Year
1976
Truck Model
K10
Engine Size
350
I have these two cables in the engine bay of my 76 k10 with 350 auto and they are coming from driver side firewall. Other photos of the interior cab side. I can’t figure out from the manuals or wiring map what it is supposed to go to - anyone able to tell me?

Cheers

Copy of 76 wiring map attached too
 

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