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914World.com _ 914World Garage _ A simple way to check your charging

Posted by: PanelBilly Apr 21 2016, 09:48 PM

My oem voltmeter just pegs when I turn the key on.

I had check the battery with a multi meter, but its nice to be able to monitor the charging. I found a thread on the bird site that
recommended this simple gauge that plugs into the lighter. $12 from Amazon. Not the final fix, but better than nothing

Posted by: zambezi Apr 21 2016, 10:05 PM

yup I've been using one in my 928 for a year now because my guage stopped working too.

Posted by: r_towle Apr 22 2016, 05:27 AM

Are you sure that gauge is not wired up backwards?

Rich

Posted by: barefoot Apr 22 2016, 05:47 AM

I've had a DVM that plugs into the lighter in my boat for some while now, works fine and cost about $3 from some Chinese source.

Posted by: billh1963 Apr 22 2016, 05:47 AM

QUOTE(PanelBilly @ Apr 21 2016, 11:48 PM)

I had check the battery with a multi meter, but its nice to be able to monitor the charging. I found a thread on the bird site that
recommended this simple gauge that plugs into the lighter. $12 from Amazon. Not the final fix, but better than nothing

I have three of those I use in my 911's...very quick way to verify charging

http://www.amazon.com/INNOVA-3721-Battery-Charging-Monitor/dp/B000EVWDU0?ie=UTF8&psc=1&redirect=true&ref_=od_aui_detailpages00

Posted by: Papermaker Apr 22 2016, 08:49 AM

The simplest way that I know of to check your charging system is to load up the electrical system by turning on electrical loads such as headlights. turn signals, while beeping the horn with the engine at idle. As you increase the engine rpms the pitch of the horn will increase as well as the turn signal blink rate and headlight brightness.
--Papermaker

Posted by: Coondog Apr 22 2016, 09:21 AM

Just bought one off Amazon, $ 12 bucks, free shipping and I get it tomorrow. Worth the chance. Thanks for the hot tip.

Posted by: BillC Apr 22 2016, 09:31 AM

Just ordered one as well. Thanks for the tip!

Posted by: rjames Apr 22 2016, 10:22 AM

Just bought one, too.
Will probably just mean more work for me in the long run because it'll just point out something else that needs fixing.