Firewall electrical connection

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Frosty02

Frosty02

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Alberta
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Lane
Truck Year
1980
Truck Model
K10
Engine Size
350
Hey Guys, I purchased a 1980 K10 and I’m starting to go through the electrical, can anybody tell me what this connection is on the firewall?
 

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ali_c20

ali_c20

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Austria
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Alexander
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1974, 1979
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C20, K5
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350, 350
Frosty02 said:
Hey Guys, I purchased a 1980 K10 and I’m starting to go through the electrical, can anybody tell me what this connection is on the firewall?
Click to expand...
It's a junction block.

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