Ammeter
Thread Starter
|
Junior User
Joined: Jan 2004
Posts: 81
Likes: 0
From: b.c.,canada
Ammeter
My ammeter goes down,when revs go up.--I've checked base voltage to be `12.5v/...........no load-idle is `13.8v/........load test shows same.....so I beleive system works fine,but the ammeter instrument goes down when I rev up!!--anyone know the fix???...........thanks!!
Moderator
Joined: Jan 2001
Posts: 56,978
Likes: 2,734
From: Virginia
A good way to double check that the connections are correct, is to turn on the headlights and some other electrical loads with the truck not running. The amp guage should go to the negative side.
Thread Starter
|
Junior User
Joined: Jan 2004
Posts: 81
Likes: 0
From: b.c.,canada
........I got out there finally and put on the headlights/heater/wipers/fuel pump/interior lights and saw imperceptable difference on the guage.I've got a brand new top-powered battery so it makes sense,I guess. A test voltmeter went from 12.9 to 12.1volts-------I guess I'll try a older battery?!?
Moderator
Joined: Jan 2001
Posts: 56,978
Likes: 2,734
From: Virginia
The ammeter reads current flow, so the battery condition won't matter unless it was so dead it didn't put out anything.
I can't remember what kind of guage you have, but if you have the original Ford guage, don't worry about it. They are famous for not giving any useful info.
I can't remember what kind of guage you have, but if you have the original Ford guage, don't worry about it. They are famous for not giving any useful info.
Thread
Thread Starter
Forum
Replies
Last Post
49willard
1948 - 1956 F1, F100 & Larger F-Series Trucks
14
Jun 24, 2015 04:22 AM
Narwhal
1948 - 1956 F1, F100 & Larger F-Series Trucks
2
May 13, 2006 07:22 PM
cwheel
1973 - 1979 F-100 & Larger F-Series Trucks
21
Jan 11, 2006 01:35 PM
