GPS won’t drive speaker
Printed From: the12volt.com
Forum Name: Mobile Video, GPS, and Navigation
Forum Discription: Mobile Video Head Units, DVD Players, LCD and TFT Monitors, Navigation, GPS, PS2, PS3, XBox, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=142025
Printed Date: April 24, 2024 at 12:35 AM
Topic: GPS won’t drive speaker
Posted By: mudbug
Subject: GPS won’t drive speaker
Date Posted: November 15, 2016 at 3:21 PM
Hello,
I'm new here, a retired electrician and don't know much about 12v audio or other electronics. I am having a problem which will probably sound dumb or simple to you but it's got me pulling what little hair I have left out.
I bought a Rand McNally model RVND7735 GPS for my RV. The internal speaker is not loud enough such that I can hear it good while driving. There is an output connector they say is for an external speaker that will drive a set of earbuds or work as aux input to RV dash stereo. Not supposed to drive with earbuds and rather listen to tunes on the stereo so I bought a battery powered external speaker. It's a G-Project G10, 5vdc 500mA and my I-phone drives it fine but the GPS won't drive it and I don't understand why. What to try next to get more audio out of the GPS? Rand McNally is not helpful at all.
Thanks,
Mud
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Mud
Replies:
Posted By: i am an idiot
Date Posted: November 15, 2016 at 7:59 PM
Are you using a 3 conductor plug to plug into the gps? If so you need to try and use a 2 conductor plug. How many black rings are on the plug? 1 or 2? 1 ring - a 2 conductor. 2 rings = 3 conductor
Posted By: mudbug
Date Posted: November 15, 2016 at 10:52 PM
The plugin is 3 wire. I'll get a 2 wire one. The cord is built into the external speaker I have, is there such thing as an adapter.
Thanks for your help!
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Mud
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