{"id":3610,"date":"2026-09-29T05:43:52","date_gmt":"2026-09-29T05:43:52","guid":{"rendered":"https:\/\/shop.autoboss.com\/?post_type=product&#038;p=3610"},"modified":"2026-10-09T08:20:31","modified_gmt":"2026-10-09T08:20:31","slug":"autool-bt160-car-circuit-tester-circuit-checker","status":"publish","type":"product","link":"https:\/\/autoboss.com\/es\/product\/autool-bt160-car-circuit-tester-circuit-checker\/","title":{"rendered":"AUTOOL BT160 6\u201324V Automotive Circuit Tester with 4 m Lead"},"content":{"rendered":"<div class=\"abd-pd\" data-abd-version=\"1\">\n<header class=\"abd-hero\">\n<h3>Trace Power, Ground and Shorts From the Battery Out<\/h3>\n<p class=\"abd-lead\">The BT160 is a powered circuit probe for 6\u201324 V DC vehicle systems: it shows polarity and continuity by LED and buzzer, checks grounds and diodes, and can feed power or ground to a selected component. It has no screen and does not read exact voltage values.<\/p>\n<ul class=\"abd-facts\">\n<li>6\u201324 V DC<\/li>\n<li>4 m Integrated Lead<\/li>\n<li>10 A Overload Cutoff<\/li>\n<li>Red \/ Green LED + Buzzer<\/li>\n<\/ul>\n<\/header>\n<section class=\"abd-sec\" id=\"abd-features\">\n<h4>Key Features<\/h4>\n<ol class=\"abd-features\">\n<li>\n<h5>Polarity Test<\/h5>\n<p>Touch an unknown contact: red LED for positive, green LED for negative.<\/p>\n<\/li>\n<li>\n<h5>Continuity and Open Circuit<\/h5>\n<p>With the auxiliary ground lead on one end and the probe on the other, check wires, fuses, relays and switches for an open path.<\/p>\n<\/li>\n<li>\n<h5>Diode and Ground Checks<\/h5>\n<p>Test a diode assembly, or confirm a component&#8217;s negative ground with green LED and buzzer feedback.<\/p>\n<\/li>\n<li>\n<h5>Short-Circuit Tracing<\/h5>\n<p>Remove the blown fuse, start at the fuse socket and follow the harness section by section to find the shorted side.<\/p>\n<\/li>\n<li>\n<h5>Component Activation<\/h5>\n<p>The rocker switch applies positive or negative output to a component on the vehicle or on the bench.<\/p>\n<\/li>\n<li>\n<h5>Long Jumper Lead<\/h5>\n<p>The black clip and auxiliary ground lead are linked through the unit, so it can serve as a long jumper test lead for front-to-rear harness work.<\/p>\n<\/li>\n<\/ol>\n<\/section>\n<section class=\"abd-sec\" id=\"abd-compare\">\n<h4>Model Comparison<\/h4>\n<div class=\"abd-table-wrap\">\n<table class=\"abd-table abd-compare\">\n<thead>\n<tr>\n<th scope=\"col\"><\/th>\n<th scope=\"col\" class=\"is-current\">BT160<\/th>\n<th scope=\"col\">BT210<\/th>\n<th scope=\"col\">BT250<\/th>\n<th scope=\"col\">BT280<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<th scope=\"row\">Operating voltage<\/th>\n<td class=\"is-current\">6\u201324 V<\/td>\n<td>9\u201330 V<\/td>\n<td>9\u201330 V<\/td>\n<td>9\u201330 V<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">AC \/ DC voltage reading<\/th>\n<td class=\"is-current\">No<\/td>\n<td>9\u201330 V<\/td>\n<td>0\u201365 V<\/td>\n<td>0.1\u2013100 V<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Resistance<\/th>\n<td class=\"is-current\">No<\/td>\n<td>No<\/td>\n<td>0\u2013200 k\u03a9<\/td>\n<td>1\u2013200 k\u03a9<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Power cable<\/th>\n<td class=\"is-current\">4 m<\/td>\n<td>1.1 m<\/td>\n<td>1.5 m<\/td>\n<td>6 m<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Temperature test \/ LED light<\/th>\n<td class=\"is-current\">No \/ No<\/td>\n<td>Yes \/ Yes<\/td>\n<td>No \/ Yes<\/td>\n<td>No \/ Yes<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Oscilloscope and multimeter<\/th>\n<td class=\"is-current\">No<\/td>\n<td>No<\/td>\n<td>No<\/td>\n<td>Yes<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/section>\n<section class=\"abd-sec\" id=\"abd-box\">\n<h4>What&#8217;s in the Box<\/h4>\n<ul class=\"abd-box\">\n<li>BT160 main unit with integrated 4 m lead and red\/black battery clips<\/li>\n<li>Auxiliary ground clamp<\/li>\n<li>User manual<\/li>\n<\/ul>\n<figure class=\"abd-fig\"><img decoding=\"async\" src=\"https:\/\/autoboss.com\/wp-content\/uploads\/autool-catalog\/media\/ac6e51ce6c61f11e30f3a4f0.webp\" alt=\"AUTOOL BT160 tester with coiled lead, battery clips, auxiliary ground clamp, user manual and retail box\" width=\"1200\" height=\"1200\" loading=\"lazy\"><figcaption>BT160 package contents.<\/figcaption><\/figure>\n<\/section>\n<section class=\"abd-sec\" id=\"abd-use\">\n<h4>How to Use<\/h4>\n<ol class=\"abd-steps\">\n<li><b>Connect to the battery<\/b><span>Unroll the lead; red clip to battery positive, black clip to negative.<\/span><\/li>\n<li><b>Self-test<\/b><span>Press the switch and confirm the LEDs: red for positive, green for negative.<\/span><\/li>\n<li><b>Probe the circuit<\/b><span>Touch the tip to the contact, wire, fuse, relay, diode or terminal for the test you are running.<\/span><\/li>\n<li><b>Read the feedback<\/b><span>Use LED color and buzzer to identify positive, negative, open, continuous, grounded or overloaded conditions.<\/span><\/li>\n<li><b>Activate only when appropriate<\/b><span>Press &#8220;-&#8221; for positive output or &#8220;=&#8221; for negative output; stop at once if the LED changes color with a beep.<\/span><\/li>\n<\/ol>\n<p class=\"abd-note\">Full procedures: <a href=\"https:\/\/autoboss.com\/wp-content\/uploads\/autool-catalog\/media\/0d949832aab44289adc672ff.pdf\" target=\"_blank\" rel=\"noopener\">BT160 user manual (PDF)<\/a><\/p>\n<\/section>\n<section class=\"abd-sec\" id=\"abd-notes\">\n<h4>Good to Know<\/h4>\n<div class=\"abd-notes\">\n<div class=\"abd-note-group is-caution\">\n<h5><span class=\"abd-tag\">Caution<\/span><\/h5>\n<ul>\n<li>For 6\u201324 V DC vehicle systems only. Not for 110 V \/ 220 V AC household current or any system above 24 V DC.<\/li>\n<li>Do not inject power or ground into an ECU, SRS, sensor or data line unless a specific procedure allows it; the tester&#8217;s protection does not make those circuits safe.<\/li>\n<li>Sparks can occur at the probe tip. Do not use near combustible gas, dust or explosive atmospheres.<\/li>\n<li>If overload protection trips, stop and check the circuit, the component and its rated current before continuing.<\/li>\n<\/ul>\n<\/div>\n<div class=\"abd-note-group is-care\">\n<h5><span class=\"abd-tag\">Care<\/span><\/h5>\n<ul>\n<li>Inspect the case, tip, clips and leads before use; do not use with cracks or exposed wire.<\/li>\n<li>The probe tip is sharp; store it carefully and away from children.<\/li>\n<li>Do not disassemble the tester; repairs go to authorized service.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/section>\n<\/div>","protected":false},"excerpt":{"rendered":"<ul>\n<li><strong>6\u201324V Circuit States:<\/strong> Identify positive, negative, and open conditions in 6\u201324 V DC vehicle circuits with red and green LED feedback.<\/li>\n<li><strong>Continuity + Ground Checks:<\/strong> Check wires, fuses, relays, switches, and component ground paths for continuity or open conditions.<\/li>\n<li><strong>Controlled Component Activation:<\/strong> Apply power or ground to selected components for in-vehicle or bench checks.<\/li>\n<li><strong>Harness Short Tracing:<\/strong> Probe successive harness sections after removing a blown fuse to narrow the side carrying a short or overload condition.<\/li>\n<li><strong>4 m Working Reach:<\/strong> Reach test points from the vehicle battery with the integrated 4 m lead.<\/li>\n<\/ul>","protected":false},"featured_media":12447,"comment_status":"open","ping_status":"closed","template":"","meta":{"_gspb_post_css":""},"product_brand":[128],"product_cat":[62,51],"product_tag":[129,162],"class_list":["post-3610","product","type-product","status-publish","has-post-thumbnail","product_brand-autool","product_cat-best-selling-products","product_cat-automotive-electronic-circuit-inspection","product_tag-autool","product_tag-circuit-system-test","first","instock","shipping-taxable","purchasable","product-type-variable"],"_links":{"self":[{"href":"https:\/\/autoboss.com\/es\/wp-json\/wp\/v2\/product\/3610","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/autoboss.com\/es\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/autoboss.com\/es\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/autoboss.com\/es\/wp-json\/wp\/v2\/comments?post=3610"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/autoboss.com\/es\/wp-json\/wp\/v2\/media\/12447"}],"wp:attachment":[{"href":"https:\/\/autoboss.com\/es\/wp-json\/wp\/v2\/media?parent=3610"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/autoboss.com\/es\/wp-json\/wp\/v2\/product_brand?post=3610"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/autoboss.com\/es\/wp-json\/wp\/v2\/product_cat?post=3610"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/autoboss.com\/es\/wp-json\/wp\/v2\/product_tag?post=3610"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}