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TECHNICAL MOTOBRICK WRENCHING In Remembrance of Inge K. => The Motobrick Workshop => Topic started by: Glacial on June 03, 2017, 01:31:42 PM
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Checking things over before setting off for a ten day trip down to the Black Forest in Germany and back. Noticed that the GPS was not receiving power from the dash-mounted socket. Got the voltmeter on it and found that I had 19V when the engine was not running and nothing when I started the bike up. I have done no electrical work on the bike for months and have not had occasion to check the voltages for a while so I don't know when this issue started. I still get 19V from the battery positive post to chassis ground. I will obviously have to start tracing what might be causing this but if anyone has had such an fault before, please let me know so I can get back on track for the trip.
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You need to verify that your voltmeter is working correctly. Check another 12 volt battery to see what you read there.
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Good call kioolt! That was exactly the problem. As soon as I sent the post off, the brain kicked into gear and said there is nowhere to get the energy to have 19V - need to find out if the reading is true. So I checked the battery on the car and sure enough that was 19V before I changed the battery on the voltmeter and 12.6V after.
Panic officially over! Many thanks.