{"product_id":"stay-charge","title":"EQ Systems Stay Charge #8400 | Truck + Trailer Harness Kit | 4 Gauge, 100A Breaker","description":"\u003cp\u003eKeep your \u003cstrong\u003etrailer battery charged from the tow vehicle\u003c\/strong\u003e with the \u003cstrong\u003eEQ Systems Stay Charge — Truck and Trailer Harness Kit (Part 8400)\u003c\/strong\u003e — so your hydraulic jacks have power the moment you arrive. Available at The RV Surplus.\u003c\/p\u003e\n\n\u003cp\u003eA trailer that sits between trips, or that runs its jacks repeatedly on setup, can flatten a battery quickly. EQ Systems hydraulic pumps need real current.\u003c\/p\u003e\n\n\u003ch3\u003e⭐ What's In This Kit\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eTruck harness\u003c\/th\u003e\n\u003ctd\u003e25 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTrailer harness\u003c\/th\u003e\n\u003ctd\u003e16 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCable\u003c\/th\u003e\n\u003ctd\u003e4 gauge copper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBreaker\u003c\/th\u003e\n\u003ctd\u003eResettable 100 amp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConnectors\u003c\/th\u003e\n\u003ctd\u003eWeatherproof, quick, self-locking\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProtection\u003c\/th\u003e\n\u003ctd\u003eCables protected by nylon braid\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003ePremium components throughout, and easy to install.\u003c\/p\u003e\n\n\u003ch3\u003e⭐ Which Kit to Order\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart 8400 (this listing)\u003c\/strong\u003e — harness for BOTH truck and trailer\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/en-au\/products\/stay-charge-with-jumper-cables\"\u003e\u003cstrong\u003ePart 8427\u003c\/strong\u003e\u003c\/a\u003e — harness for tow vehicle with quick-connect jumper cable harness instead (25 ft truck + 12 ft jumper cables)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eOrder \u003cstrong\u003e8400 if you're wiring both vehicle and trailer\u003c\/strong\u003e, and 8427 if you want the jumper cable option.\u003c\/p\u003e\n\n\u003ch3\u003e⭐ Why Battery Condition Matters\u003c\/h3\u003e\n\u003cp\u003eEQ Systems hydraulic pumps are \u003cstrong\u003enot light loads\u003c\/strong\u003e. Battery should load-test at \u003cstrong\u003e150 amperes minimum at 10.5 VDC for 30 seconds\u003c\/strong\u003e, with terminals kept tight and free of corrosion.\u003c\/p\u003e\n\n\u003ch3\u003eDocuments\u003c\/h3\u003e\n\u003cul\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  \u003cli\u003e\u003ca href=\"https:\/\/eqsystems.us\/cdn\/shop\/files\/Required-Maintenance-Items-Hydraulic-Systems-EQ-TM.pdf\" target=\"_blank\"\u003eRequired Maintenance Items for EQ Hydraulic Jacks \u0026amp; Slide Systems (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Battery-Support Options\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/en-au\/products\/stay-charge-with-jumper-cables\"\u003e\u003cstrong\u003eStay Charge with Jumper Cables #8427\u003c\/strong\u003e\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/en-au\/products\/solar-panel-kit-for-am-hydraulic-trailer-jacks\"\u003e\u003cstrong\u003eSolar Panel Kit for AM Trailer Jacks #70486\u003c\/strong\u003e\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/en-au\/products\/solar-panel-kit-for-aj-hydraulic-trailer-jacks\"\u003e\u003cstrong\u003eSolar Panel Kit for AJ Trailer Jacks #70487\u003c\/strong\u003e\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: Stay Charge — Truck and Trailer Harness Kit\u003c\/li\u003e\n  \u003cli\u003eSKU: 8400\u003c\/li\u003e\n  \u003cli\u003eTruck Harness: 25 ft\u003c\/li\u003e\n  \u003cli\u003eTrailer Harness: 16 ft\u003c\/li\u003e\n  \u003cli\u003eCable: 4 gauge copper\u003c\/li\u003e\n  \u003cli\u003eBreaker: 100A resettable\u003c\/li\u003e\n  \u003cli\u003eConnectors: Weatherproof self-locking quick-connect\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":58472496202031,"sku":"8400","price":568.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/7663\/0063\/files\/8400-RVU-scaled.webp?v=1789494566","url":"https:\/\/thervsurplus.com\/en-au\/products\/stay-charge","provider":"The RV Surplus","version":"1.0","type":"link"}