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01-08-2012, 05:28 PM
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#1
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Member
Fleetwood Owners Club
Join Date: Nov 2011
Posts: 65
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in dash volt meter
the volt meter in my 99 discovery doesn't move, stuck at about 7 volts ignition off and engine running. pulled guage and put my volt meter on wires with engine running, only read 6.5 volts. do I need need new guage, where do I get one. shouldn't it read 12+ volts with engine running. batteries seem to be charged, drove 500+ miles and everything was fine. have run engine and driven short distances no problems. I'm new to this so input appreciated.
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01-08-2012, 10:35 PM
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#2
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Senior Member
Fleetwood Owners Club Ford Super Duty Owner
Join Date: Mar 2009
Posts: 1,636
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You should read between 13.2 and 14+ volts with the engine running.
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01-09-2012, 10:37 AM
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#3
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Senior Member
Fleetwood Owners Club Workhorse Chassis Owner
Join Date: Apr 2002
Location: Beaverton, OR, USA
Posts: 658
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Several things come to mind:
- Bad Gauge
- Bad ground to Gauge
- Bad alternator, not producing enough voltage.
Solutions:
- If you know electricity, get the voltage meter out and start checking voltages. At the battery, engine running, and not.
- Better yet, take it to a service location and get a free check of the battery and charging system. If they say the system is OK, then start checking the wiring of the meter and/or replace it.
My guess, if this just happened, that there is something wrong with your charging system. Typically when a volt meter dies, it shows NO voltage.
Let us know what the problem was.
__________________
Alvin/KB7VHI
2002 35R Southwind, W22 8.1L Vortec UltraPower, 19.5' wheels
Toad: Wrangler, lifted and on 35" tires
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01-09-2012, 11:18 AM
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#4
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Senior Member
Join Date: May 2004
Location: Auburn, CA, Havasu, AZ & Mulege, BCS
Posts: 5,385
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I'm guessing you have a good gauge, bad connection in the gauge circuit. You got ~same voltage w/your independent multi-meter, right? So OEM gauge is reading correct voltage. You have two options, trace the circuit till you find the volt drop & correct the problem where you find it, or replace the circuit & abandon the original.
__________________
Baja-tested '08 2-slide 36'
Alpine: The Ultimate DIY'er Project
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01-09-2012, 11:45 AM
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#5
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Member
Join Date: Oct 2011
Posts: 67
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354 mbs cc
Quote:
Originally Posted by jgh
the volt meter in my 99 discovery doesn't move, stuck at about 7 volts ignition off and engine running. pulled guage and put my volt meter on wires with engine running, only read 6.5 volts. do I need need new guage, where do I get one. shouldn't it read 12+ volts with engine running. batteries seem to be charged, drove 500+ miles and everything was fine. have run engine and driven short distances no problems. I'm new to this so input appreciated.
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Put your Postive test cable to the hot end of the gauge(wire) and find a close ground see what voltage you get when you move the ground closer.
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01-10-2012, 11:43 AM
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#6
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Member
Fleetwood Owners Club
Join Date: Nov 2011
Posts: 65
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checked at battery
the reading at the battery is 13+. the voltmeter needle is stuck @ about 10, doesn't move with ignition on or off or with engine running.
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01-13-2012, 03:12 PM
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#7
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Member
Fleetwood Owners Club
Join Date: Nov 2011
Posts: 65
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voltmeter
after all this it was the volt meter. Freightline's charge $240. that hurts, but now it works
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