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What are these in 1986 GMC Sierra?

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06-08-2021, 12:22 PM	#1
Captain J Registered User Join Date: Nov 2017 Location: H, Q Posts: 180	What are these in 1986 GMC Sierra? Hello, Can someone recognize these relays? On top of distributor on the firewall? On 1986 GMC Sierra C2500 with 7.4L and manual transmission Attached Images __________________ 1972 GMC Sierra C2500, V8-350 1986 GMC Sierra C2500, V8-454 1986 GMC Sierra C2500, V8-LS1 1986 GMC Sierra K2500, V8-350 1987 GMC Sierra R3500, V8-454 1997 GMC Sierra K2500, V8-454

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