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Unread 10-12-2013, 04:54 PM   #1
Kirks
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1977 CJ5 
 
Join Date: Mar 2013
Location: Alva, Ok
Posts: 67
Volt Meter Issue

Just installed a new Auto Meter volt meter. When I turn the blower motor or the head lights on with the jeep running the volt meter drops clear to the left. Could I have a bad ground. Jeep had a volt meter in it I used the same wires. The only reason I replaced it the needle was off.

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Unread 10-12-2013, 05:04 PM   #2
John Strenk
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1976 CJ5 
 
Join Date: Feb 2005
Location: Shalersville Ohio
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Take a DVM and check the voltage at the voltmeter.

It could be a case of a really bad wiring harness.
It could be a bad ground also. If the ground was bad there could be a voltage drop across the ground messing with the volt meter.
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Unread 10-12-2013, 05:53 PM   #3
Kirks
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1977 CJ5 
 
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Location: Alva, Ok
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I should have mentioned that it reads 13.8vkey on not running and 15v running.
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Unread 10-12-2013, 06:14 PM   #4
dg6772
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1986 CJ7 
 
Join Date: Feb 2011
Location: Muskegon, Michigan
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Just fixed the same problem with mine, it turned out to be a bad ground to the meter. New ground, and all was better.

Good luck!

Dave in Muskegon
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Unread 11-03-2013, 05:10 PM   #5
Kirks
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1977 CJ5 
 
Join Date: Mar 2013
Location: Alva, Ok
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[QUOTE="dg6772"]Just fixed the same problem with mine, it turned out to be a bad ground to the meter. New ground, and all was better. Good luck! Dave in Muskegon[/QUOTE

Took me several weeks to get it checked out. It indeed was a poor ground. When I replaced the gage I used the same ground but further checking revealed the fact that the other end was not properly grounded.
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