The AIR GEAR MiniLink is a DC-DC voltage converter, with a connector for a standard 7-way trailer plug and another connector for a Starlink Mini. If you suspect that there is no power coming from the MiniLink, check the following:. If you have taken

The AIR GEAR MiniLink is a DC-DC voltage converter, with a connector for a standard 7-way trailer plug and another connector for a Starlink Mini.If you suspect that there is no power coming from the MiniLink, check the following:<ul><li>Check the blue indicator light on the back of the Starlink Mini (on the lower back side). If the blue light is on steady or blinking, the MiniLink is working correctly. <img src="https://attachments.gorgias.help/kREQL2bpB5xMl8n3/hc/bVpA37lvzv6J5oEd/2026042319-7b8fcc70-78a4-4fcc-a20d-b9d49b929031-starlink%20mini%20power%20light%20explanation.jpg" style="width: 187px;" class="fr-fic fr-dib"> </li><li>Check all of the cable connections to Starlink Mini. The round plugs need to be fully connected. </li><li>Check the in-line fuse attached to the MiniLink. Open the black fuse cover and pull out the fuse to inspect it. If the fuse is blown, replace it with a 20 amp fuse.</li></ul><img src="https://attachments.gorgias.help/kREQL2bpB5xMl8n3/hc/bVpA37lvzv6J5oEd/2026042319-1df2b201-17f9-4f2c-bb02-678858dc65e8-ag-mnilk%20minilink%20showing%20fuse.jpeg" style="width: 241px;" class="fr-fic fr-dib"> <ul><li id="isPasted">Verify that your Starlink Mini powers up using the AC adapter that was included with your Starlink Mini. This test confirms that there&apos;s no problem with the Starlink Mini or the power cable that came with Starlink Mini. </li><li>Check the output from the trailer&apos;s 7-way plug. <a href="https://air-gear-help-center.gorgias.help/en-US/verifying-compatibility-with-minilink-5913939">Instructions on how to verify power at the 7-way plug can be found here.</a> Airstream Trade Wind trailers contain a battery isolator that will prevent power from being available at the 7-way plug. MiniLink cannot be used with Trade Wind trailers, or any other trailer with a battery isolator installed.</li></ul>If you have taken the steps outlined above, and the MiniLink is still not powering the Starlink, please contact AIR GEAR Customer Support at <a href="mailto:help@airgear.store">help@airgear.store</a> for assistance. The AIR GEAR MiniLink comes with a 1 year warranty and support from AIR GEAR.

No power from MiniLink

The AIR GEAR MiniLink requires 12 volt power from the 7-way trailer plug. Nearly all travel trailers provide this, since the 7 way trailer plug is connected to the trailer's onboard batteries. In some trailers, a device may be installed that prevents

The AIR GEAR MiniLink requires 12 volt power from the 7-way trailer plug. Nearly all travel trailers provide this, since the 7 way trailer plug is connected to the trailer&apos;s onboard batteries.In some trailers, a device may be installed that prevents power from the trailer batteries from reaching the 7-way plug. This device may be called:<ul style=" text-decoration: none;"><li>DC-DC converter</li><li>DC-DC charger</li><li>battery isolator</li><li>Redarc charger</li></ul>If you suspect your trailer may have one of these devices, you can check the 7-way trailer plug before purchasing a MiniLink.<h2 id="how-to-test-your-7-way-plug-for-compatibility">How to test your 7 way plug for compatibility</h2>To conduct this test, you&apos;ll need either:<ul><li>a voltmeter (option 1)</li><li>a common automotive blade fuse (option 2)&#xA0;</li></ul><h3 id="option-1-test-with-a-voltmeter">Option 1: Test with a voltmeter</h3>Put the red lead of a voltmeter in the &quot;Aux 12 Volt + (Black)&quot; terminal of the 7-way cable, and the black lead in the &quot;Ground (White)&quot; terminal, &#xA0;as shown in the diagram below.<img src="https://attachments.gorgias.help/kREQL2bpB5xMl8n3/hc/bVpA37lvzv6J5oEd/2024091217-cacb9c2f-dd54-4954-9617-aaf1946fc264-7-way-wire-diagram%20trailer%20end.jpeg" style="width: 445px;" class="fr-fic fr-dii">Your meter should indicate at least +9.0 volts. You can use MiniLink.<h4 id="if-the-voltmeter-indicates-less-than-9-volts">If the voltmeter indicates less than 9 volts</h4><ul><li>Make sure you are making good contact with the metal tabs inside the plug, with both leads of the voltmeter, at the same time.</li><li>The connectors on the 7-way plug may be corroded or dirty, and unable to transfer electricity as they should. The connectors should be cleaned in this case.</li></ul>If, after taking the two steps above, there is still less than 9 volts showing on the voltmeter, you won&apos;t be able to use AIR GEAR MiniLink.<h3 id="option-2-test-with-a-fuse">Option 2: Test with a fuse</h3><img src="https://attachments.gorgias.help/kREQL2bpB5xMl8n3/hc/bVpA37lvzv6J5oEd/2026051422-b7fee1d8-4fa9-4baa-b7de-216109fa72e1-example%20mini%20auto%20blade%20fuse.png" style="width: 103px;" class="fr-fic fr-dii fr-fir">You&apos;ll need a mini automotive blade fuse for this test, like the one pictured. It needs to be rated for 10 amps or higher.If you don&apos;t have such a fuse available, you can pull one from the trailer&apos;s fuse panel temporarily, or buy one at any auto parts store. There&apos;s also a spare mini fuse in the AIR GEAR Portable Solar Kit (if you purchased it after May 1, 2025).<img src="https://attachments.gorgias.help/kREQL2bpB5xMl8n3/hc/bVpA37lvzv6J5oEd/2026051422-48b9f345-5d14-45f3-948b-4905681e9c37-testing%2012v%20power%20with%20fuse%20at%207-way%20plug.jpg" style="width: 273px;" class="fr-fic fr-dii fr-fir">Orient your 7-way trailer plug with as shown, with the flat ridge at the top. Insert the fuse in the top two slots. This will connect the 12V+ pin from the trailer&apos;s battery, to the pin for the trailer&apos;s clearance and tail lights.The clearance and tail lights should go on.&#xA0;This shows that you have 12V power at the 7-way connector, which is good.If you cannot get the clearance lights to illuminate, there is probably no 12V power at the 7-way plug. This is the reason your MiniLink isn&apos;t able to work.&#xA0; <h2 id="minilink-compatibility-with-starlink-models-and-generations">MiniLink Compatibility with Starlink models and generations</h2>The AIR GEAR MiniLink is compatible only with Starlink Mini and Mini X. These models use DC power, which the MiniLink can supply. MiniLink is not compatible with other Starlink models that require AC input power, such as:<ul><li>Starlink Standard</li><li>Starlink Enterprise</li><li>Starlink Gen 2</li><li>Starlink Gen 3</li><li>Starlink Gen 4</li><li>Starlink Standard Actuated</li></ul>

Verifying compatibility with MiniLink

This article assumes that you've previously tested your trailer's 7-way plug and found that there is no voltage (or insufficient voltage) available on the  "AUX 12 Volt + (Black)" pin, as shown in the diagram below. In trailers with DC-DC chargers in

This article assumes that you&apos;ve previously <a href="https://air-gear-help-center.gorgias.help/en-US/verifying-compatibility-with-minilink-5913939">tested your trailer&apos;s 7-way plug</a> and found that there is no voltage (or insufficient voltage) available on the &#xA0;&quot;AUX 12 Volt + (Black)&quot; pin, as shown in the diagram below.<img src="https://attachments.gorgias.help/kREQL2bpB5xMl8n3/hc/bVpA37lvzv6J5oEd/2026052019-75ee4c3f-12a8-4c00-818c-fe6cc86e1547-7-way-wire-diagram%20trailer%20end.jpeg" style="width: 300px;" class="fr-fic fr-dib">In trailers with DC-DC chargers installed, this pin may not be able to supply power from the trailer batteries.IF:<ul><li>there is no power detected at the 7-way plug, AND</li><li>the trailer does not have a DC-DC charger installed, AND</li><li>the original factory wiring for the trailer&apos;s 7-way plug has not been altered</li></ul>THEN: It is possible that the breaker for the 7-way plug has failed..<img src="https://attachments.gorgias.help/kREQL2bpB5xMl8n3/hc/bVpA37lvzv6J5oEd/2026052019-1424387a-b74b-41a1-919f-1f1f120cc27f-7-way%20plug%2012v+%20bus%20schematic.jpg" style="width: 692px;" class="fr-fic fr-dib">SAMPLE schematic from a late-model Airstream trailer. Your trailer schematic may vary; see your Owner&apos;s Manual.In many late model Airstream trailers, the AUX 12V+ pin from the 7-way is connected to a self-resetting breaker. If this breaker fails, there will be no connection between the 7-way plug and the trailer batteries. In this case, other symptoms would include:<ul><li>trailer batteries do not charge from the truck during towing. (However, they might charge from rooftop solar panels.)</li><li>AIR GEAR Portable Solar Kit charge controller will not turn on when connected to the 7-way plug.</li><li>AIR GEAR MiniLink will not supply power.</li></ul><h3 id="resolution">Resolution</h3>If failed, this breaker can be replaced by a qualified technician. Be sure to match the exact type and amperage rating of the original breaker.<img src="https://attachments.gorgias.help/kREQL2bpB5xMl8n3/hc/bVpA37lvzv6J5oEd/2026052023-6442eadc-49c1-4318-b6d9-86fb1d3ab379-tempimagesrmlrg.jpg" style="width: 420px;" class="fr-fic fr-dib">Example of resettable DC breakersNote that the schematic and photo above are only representative. The wiring schematic and appearance of the breakers on your trailer may vary from what&apos;s shown here.AIR GEAR cannot provide assistance with diagnosing a power problem in your trailer or motorhome. A failed breaker can be a sign of a more serious electrical problem, so please contact a competent RV technician.

No power at 7-way plug

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