--- title: How do I connect my ELD module to the app? description: Connecting to the ELD module --- [Skip to content](https://knowledge.brightorder.com/how-do-i-connect-to-the-eld-module#main-content) English Show submenu for translations [More support](https://knowledge.brightorder.com/kb-tickets/new?hsLang=en) [Customer portal](https://help.brightorder.com/tickets?hsLang=en) [![BO Logo](https://knowledge.brightorder.com/hs-fs/hubfs/BO%20Logo.png?width=384&height=89&name=BO%20Logo.png)](https://knowledge.brightorder.com?hsLang=en) Open main navigation Close main navigation - English Show submenu for translations - [More support](https://knowledge.brightorder.com/kb-tickets/new) - [Customer portal](https://help.brightorder.com/tickets) - Go to www.brightorder.com Go to www.brightorder.com How can we help you? - There are no suggestions because the search field is empty. 1. [BrightOrder Knowledge Base](https://knowledge.brightorder.com/?hsLang=en) 2. [emdecs one ELD](https://knowledge.brightorder.com/emdecs-one-eld?hsLang=en) 3. [Getting Started](https://knowledge.brightorder.com/emdecs-one-eld?hsLang=en#getting-started) # How do I connect my ELD module to the app? In order to have your ELD function properly, it is important that your device is properly connected and communicating with your **emdecs one ELD** Driver Application. #### **ELD Engine Module Lights & Meaning** The ELD Engine Module must be connected to the vehicle diagnostic port using the supplied cable. The diagnostic connector provides power and connection through the CAN port of the vehicle. For help on installing your **emdecs one ELD Engine Module**, visit the[guide on installing the ELD Engine Module here](https://support.onswitchboard.com/articles/221943-installing-the-switchboard-eld-engine-module). ![](https://knowledge.brightorder.com/hs-fs/hubfs/undefined-Jan-13-2026-01-39-36-9176-PM.png?width=670&height=492&name=undefined-Jan-13-2026-01-39-36-9176-PM.png) The ELD Engine Module includes 4 light signals: - Blinking green means there is a current, the device is installed, but the truck is turned off. - A non-flashing green means that the truck is turned on and the truck's computer is running. - Flashing red means the device is searching for a GPS signal. - A non-flashing red indicates that the device has detected a GPS signal. If you the ELD device light is indicating that it can't connect, you can [find out why using these steps](https://knowledge.brightorder.com/how-do-i-know-if-my-engine-device-is-having-issues-with-connectivity?hsLang=en), or [try these troubleshooting tips](https://knowledge.brightorder.com/what-steps-can-i-take-if-i-am-having-eld-connectivity-issues?hsLang=en). - [EMDECS](https://knowledge.brightorder.com/emdecs?hsLang=en#main-content) - [Getting Started](https://knowledge.brightorder.com/emdecs?hsLang=en#getting-started) - [How-To Guides](https://knowledge.brightorder.com/emdecs?hsLang=en#how-to-guides) - [Troubleshooting](https://knowledge.brightorder.com/emdecs?hsLang=en#troubleshooting) - [Account & User Management](https://knowledge.brightorder.com/emdecs?hsLang=en#account-user-management) - [Integrations](https://knowledge.brightorder.com/emdecs?hsLang=en#integrations) - [Release Notes](https://knowledge.brightorder.com/emdecs?hsLang=en#release-notes) - [emdecs one](https://knowledge.brightorder.com/emdecs-one?hsLang=en#main-content) - [Maintenance](https://knowledge.brightorder.com/emdecs-one?hsLang=en#maintenance) - [emdecs one ELD](https://knowledge.brightorder.com/emdecs-one-eld?hsLang=en#main-content) - [Troubleshooting](https://knowledge.brightorder.com/emdecs-one-eld?hsLang=en#troubleshooting) - [How-To Guides](https://knowledge.brightorder.com/emdecs-one-eld?hsLang=en#how-to-guides) - [Getting Started](https://knowledge.brightorder.com/emdecs-one-eld?hsLang=en#getting-started) - [Account & User Management](https://knowledge.brightorder.com/emdecs-one-eld?hsLang=en#account-user-management) - [Tracking](https://knowledge.brightorder.com/tracking?hsLang=en#main-content) - [Getting Started](https://knowledge.brightorder.com/tracking?hsLang=en#getting-started) - [Troubleshooting](https://knowledge.brightorder.com/tracking?hsLang=en#troubleshooting) - [How-To Guides](https://knowledge.brightorder.com/tracking?hsLang=en#how-to-guides) - [Account & User Management](https://knowledge.brightorder.com/tracking?hsLang=en#account-user-management) - [Integrations](https://knowledge.brightorder.com/tracking?hsLang=en#integrations) - [ELD](https://knowledge.brightorder.com/eld?hsLang=en#main-content) - [Release Notes](https://knowledge.brightorder.com/eld?hsLang=en#release-notes) - [Legacy Device Troubleshooting](https://knowledge.brightorder.com/eld?hsLang=en#legacy-device-troubleshooting) - [How-To Guides (Legacy Devices)](https://knowledge.brightorder.com/eld?hsLang=en#how-to-guides-legacy-devices) - [Dashcam](https://knowledge.brightorder.com/dashcam?hsLang=en#main-content) - [How-To Guides](https://knowledge.brightorder.com/dashcam?hsLang=en#how-to-guides) - [General](https://knowledge.brightorder.com/general?hsLang=en#main-content) - [Contact Us](https://knowledge.brightorder.com/general?hsLang=en#contact-us) - [Getting started](https://knowledge.brightorder.com/getting-started?hsLang=en) [![No Margin White BO Logo](https://knowledge.brightorder.com/hs-fs/hubfs/No%20Margin%20White%20BO%20Logo.png?width=384&height=112&name=No%20Margin%20White%20BO%20Logo.png "No Margin White BO Logo")](https://knowledge.brightorder.com/?hsLang=en) www.brightorder.com   Help Center [mailto:email@email.com](mailto:email@email.com) Copyright © 2026, BrightOrder Inc.