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Re: 1999 Chevrolet Suburban K1500 wiring info for 'SEO' 30 amp
Posted to Technical Discussion Forum on 6/4/2022

AD shows the SEO 30 amp fuse as feeding "Stud A" which should be one of the two provided B+ studs at the rear of the underhood FB. Usually used for trailer brake kits or trailer battery charging, but someone could have hooked anything to them.

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