{"product_id":"single-switch-square-plug-6526","title":"EQ Systems Single Switch Switchgear #6526 | Square Black 4-Pin | Single or Dual-Single Jack","description":"\u003cp\u003eReplace failing switchgear on your \u003cstrong\u003eEQ Systems single-jack hydraulic trailer jack system with a square black 4-pin pump connector\u003c\/strong\u003e using the \u003cstrong\u003eEQ Systems Single Switch Square Black 4-Pin Switchgear (Part 6526)\u003c\/strong\u003e. Complete switch, box, and harness — built in-house by EQ Systems, performance-verified, with braided nylon exterior for durability. Also fits dual-jack systems that use one switch to run both jacks. Available at The RV Surplus.\u003c\/p\u003e\n\n\u003ch3\u003e⭐ Order by the Pump Connector, NOT the Jack\u003c\/h3\u003e\n\u003cp\u003eSwitchgear is chosen by \u003cstrong\u003ethe connector on the pump, not by the jack\u003c\/strong\u003e. Look at the plug on your pump harness and match it — this part is for the \u003cstrong\u003esquare black 4-pin\u003c\/strong\u003e version and fits both \u003cstrong\u003esingle-jack systems\u003c\/strong\u003e and \u003cstrong\u003edual-jack systems using one switch\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eShips with a pump connector harness to adapt to the square black 4-pin connector on your pump.\u003c\/p\u003e\n\n\u003ch3\u003e⭐ Full Switchgear Connector Chart\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/single-switch-white-plug-7814\"\u003e\u003cstrong\u003eRound white 4 pin, single jack: 7814\u003c\/strong\u003e\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSquare black 4 pin, single jack: 6526\u003c\/strong\u003e (this part)\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/dual-switch-rnd-4pin-plug-7815\"\u003e\u003cstrong\u003eRound white 4 pin, dual jack with 2 switches: 7815\u003c\/strong\u003e\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/dual-switch-4-way-sq-plug-6540\"\u003e\u003cstrong\u003eSquare black 4 pin, dual jack with 2 switches: 6540\u003c\/strong\u003e\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/dual-switch-6-way-sq-plug-6704\"\u003e\u003cstrong\u003eSquare white 6 pin, dual jack with 2 switches: 6704\u003c\/strong\u003e\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003eRound white 4 pin, dual jack with 1 switch: 7816\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSquare black 4 pin, dual jack with 1 switch: 6526\u003c\/strong\u003e (this part also fits here)\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/el-pac-switch-gear-7817\"\u003e\u003cstrong\u003eEl Pac 1 and El Pac 2: 7817\u003c\/strong\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e⭐ Repair or Replace?\u003c\/h3\u003e\n\u003cp\u003eOn later assemblies using a \u003cstrong\u003erocker-style switch with a square 4-pin connector\u003c\/strong\u003e, the switch alone can be replaced with \u003ca href=\"\/products\/rocker-switch-1557\"\u003e\u003cstrong\u003eRocker Switch #1557\u003c\/strong\u003e\u003c\/a\u003e. Older assemblies with a toggle-style switch or a round connector \u003cstrong\u003ecannot be repaired that way\u003c\/strong\u003e and need the complete switch and harness assembly. Keyed switchgear uses \u003ca href=\"\/products\/key-tumbler-7463\"\u003e\u003cstrong\u003eKey Tumbler #7463\u003c\/strong\u003e\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eDocuments\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/eqsystems.us\/cdn\/shop\/files\/Switchgear-Chart-TM.pdf\" target=\"_blank\"\u003eSwitchgear Replacement Chart (PDF)\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/eqsystems.us\/cdn\/shop\/files\/TS-Single-leg-Trailer-Jacks-AM-AJ-single-manufactured-after-2007.pdf\" target=\"_blank\"\u003eSingle Leg Trailer Jack Troubleshooting Guide (PDF)\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/eqsystems.us\/cdn\/shop\/files\/EQS03R11-EQ-Systems-Trailer.pdf\" target=\"_blank\"\u003eEQ Systems Lifting Systems for Any Size Trailer (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e90-Day Warranty\u003c\/h3\u003e\n\u003cp\u003eBacked by EQ Systems' \u003cstrong\u003e90-day replacement part warranty\u003c\/strong\u003e. Check documentation for full terms.\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eBrand: EQ Systems\u003c\/li\u003e\n  \u003cli\u003eModel: Single Switch Square Black 4-Pin Switchgear\u003c\/li\u003e\n  \u003cli\u003eSKU: 6526\u003c\/li\u003e\n  \u003cli\u003eConfiguration: Single jack (one switch) OR dual jack with 1 switch\u003c\/li\u003e\n  \u003cli\u003ePump Connector: Square black 4-pin\u003c\/li\u003e\n  \u003cli\u003eConstruction: Braided nylon exterior, in-house EQ Systems build\u003c\/li\u003e\n  \u003cli\u003eWarranty: 90-day replacement part warranty\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"EQ Systems","offers":[{"title":"Default Title","offer_id":58472515404079,"sku":"6526","price":159.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/7663\/0063\/files\/6526-3.jpg?v=1789494925","url":"https:\/\/thervsurplus.com\/products\/single-switch-square-plug-6526","provider":"The RV Surplus","version":"1.0","type":"link"}