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For sale is a Crown Access 2 AC4820 Hydraulic SC Controller 151283-001. Item: Crown Access 2 AC4820 Hydraulic SC controller module. Branding on unit: Crown aCe Control / Access 123 Comprehensive System Control. Model/label: Access 2 ? AC4820 Hydraulic SC. Connector code CA404. Terminals marked U, V, W, B+, B-. Part numbers seen: 151283-001 (sticker shows 151283-001 D). Serial number is printed on the tag; see photos for full number. Condition: Used. Dirt, discoloration, and scuffs from prior service. Some oxidation on hardware. Housing intact and connector pins appear straight. Mounting base/heat sink shown is included. Included: Controller module only, no cables, harnesses, or additional hardware. Typical use: Replacement hydraulic system controller for Crown lift trucks using the Access 2/Access 123 system. Buyer should verify compatibility by part number and photos. Assumption: Functionality is untested; selling as-is.