Idiot Voltage Guage?
Posting Guru
Joined: Jan 2001
Posts: 1,124
Likes: 1
From: Rural Florida Panhandle
Idiot Voltage Guage?
Should be a real volt meter. If it doesn't move at all, it is probably stuck.
In the old days, there were ammeters, which were really voltmeters reading a small voltage drop across a very low resistance. These would stop working because of corroded contacts, or various other reasons. They actually measured the voltage drop across a section of the wire between the alt and battery.
But if the meter is a volt meter, it should read battery voltage directly, and should deflect when the lights are switched on and off without the engine running.
Winford
In the old days, there were ammeters, which were really voltmeters reading a small voltage drop across a very low resistance. These would stop working because of corroded contacts, or various other reasons. They actually measured the voltage drop across a section of the wire between the alt and battery.
But if the meter is a volt meter, it should read battery voltage directly, and should deflect when the lights are switched on and off without the engine running.
Winford
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Laughing Gas
Joined: Nov 2001
Posts: 807
Likes: 1
From: -
Idiot Voltage Guage?
It will drop down to 8 (lowest point on guage) when the engine is off, but then jumps right to the dead middle while running. Same with the oil guage. I know the oil guage is an idiot guauge, but I just wondered about the voltage one as well.
Posting Guru
Joined: Jan 2001
Posts: 2,358
Likes: 3
From: Nebraska
Idiot Voltage Guage?
Every 92-96(7) truck I've seen had a "real" one. You should really notice it move if you run the power windows with the engine off.
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[font color="green"]1995 F-150 Supercab XLT longbed 4x4 302 M5OD [/font]31x10.50's
[font color="green"]1986 F-150 4x4 300 I6 NP435 [/font]Warn hubs, DeeZee bed caps, '96 XLT bench seat, new paint job
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[font color="green"]1995 F-150 Supercab XLT longbed 4x4 302 M5OD [/font]31x10.50's
[font color="green"]1986 F-150 4x4 300 I6 NP435 [/font]Warn hubs, DeeZee bed caps, '96 XLT bench seat, new paint job
