If you have EHCII that 30A fuse will never be an issue. The 2-axle system is run off a fused block, fuse 87 is just for the pump. If you recently replaced bags in the front bc they were leaking its most likely your compressor seal is worn from keeping them up while they were leaking. Follow my instructions in the other thread.

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2018 Ram 2500 6.7L Cummins 68RFE
19k miles -Bright White/Black - Big Horn Sport - Crew Cab Short Bed
2013 X5 35D (CEO's) - Born on 5/17/2013 -
82k miles - Alpine White/Cinnamon Brown/Premium Pkg, Sport Activity/Premium Pkg and Sound/20" Style 214/Running Boards