{"product_id":"trailer-tester-7-pin-caravan-towing-tow-bar-light-wiring-tester-12v-car-towing-light-tester-plug-socket-diagnostic-tools","title":"23639 Trailer Tester for 7-Pin Caravan Tow Bar Lights, 12V Wiring Tool","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the 23639 Trailer Tester for 7-Pin Caravan Tow Bar Lights, a compact handheld diagnostic tool built for quick, reliable 12V wiring checks. Simply plug the tester into the 7-pin socket or 7-pin plug on your trailer or towing vehicle, then press the yellow button to reveal wiring faults. Constructed from durable ABS, it stands up to tough conditions and resists temperature extremes, acids, and alkalis, making it a dependable companion for roadside checks or campsite maintenance.\u003c\/p\u003e \u003cp\u003eDesigned to simplify common towing issues, this tester helps you verify that each circuit — tail lights, brake lights, indicators, and ground connections — is wired correctly. By catching faults early, it reduces the risk of failed inspections and dangerous lighting problems during travel, ensuring safer, compliant towing.\u003c\/p\u003e \u003cp\u003ePowered by a 9V battery (not included) and designed for 12V systems, the tool is ready for quick diagnostics without needing external power. For best results, keep a fresh 9V battery in your kit and test before every journey or after any wiring work.\u003c\/p\u003e \u003ch2\u003eBenefits \u0026amp; Tips\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003ePerform a pre-trip light check to confirm brake, tail, indicator, and reverse lights function as expected.\u003c\/li\u003e \u003cli\u003eValidate wiring after modifications or repairs to ensure faults are not hiding in the connectors.\u003c\/li\u003e \u003cli\u003eCarry a spare 9V battery in your toolkit for on-site diagnostics and peace of mind.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eProduct specifications\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eModel\u003c\/strong\u003e: 23639\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: NONE\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCertification\u003c\/strong\u003e: CE\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: ABS\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDimensions\u003c\/strong\u003e: Length 20, Width 5, Height 4 (approx.)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 162\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage\u003c\/strong\u003e: 12V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBattery\u003c\/strong\u003e: 9V Battery (not included)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOrigin\u003c\/strong\u003e: Mainland China\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eUse\u003c\/strong\u003e: Not Telecommunication\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePackage includes:\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e1 x Plug Socket Diagnostic Tools\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWarnings \/ Reminders\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eRequires a 9V battery (not included).\u003c\/li\u003e \u003cli\u003eDesigned for 12V electrical systems in trailers and tow vehicles; not suitable for telecommunications equipment.\u003c\/li\u003e \u003cli\u003eKeep dry and avoid immersion; store in a cool, dry place when not in use.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eAll electronic and mechanical equipment, devices and machines sold by InterCyprus to EU countries are CE certified and carry a two year warranty.\u003c\/p\u003e \u003cp\u003eAt intercyprus.com since 2002 — trusted for quality and reliability.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"InterCyprus Trading Ltd","offers":[{"title":"black","offer_id":52447985041750,"sku":"1005007581390885-black","price":32.43,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0530\/0604\/1274\/files\/Sa78cd09b5b2e4967a867a72d72a5ae2fJ.webp?v=1769537777","url":"https:\/\/www.intercyprus.com\/products\/trailer-tester-7-pin-caravan-towing-tow-bar-light-wiring-tester-12v-car-towing-light-tester-plug-socket-diagnostic-tools","provider":"InterCyprus Trading Ltd","version":"1.0","type":"link"}