charging system troubleshoot
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Mountain Pass
Joined: Feb 2004
Posts: 243
Likes: 13
From: Mass.
charging system troubleshoot
My 2004 has about 160k on it now. Alternator has never been replaced. Recently I have been getting the alert "check charging system"
So I check the battery terminals with engine running and all lights and AC running. I was getting less than 12V. But while waiting for a new alternator to arrive I am now getting 13v and no warning.
So what is the proper troubleshooting for the charging system? I always used the voltmeter to check voltage at battery terminals. But my problem seems to be intermittent.
So I check the battery terminals with engine running and all lights and AC running. I was getting less than 12V. But while waiting for a new alternator to arrive I am now getting 13v and no warning.
So what is the proper troubleshooting for the charging system? I always used the voltmeter to check voltage at battery terminals. But my problem seems to be intermittent.
Freshman User
Joined: Aug 2014
Posts: 47
Likes: 0
My 2004 has about 160k on it now. Alternator has never been replaced. Recently I have been getting the alert "check charging system"
So I check the battery terminals with engine running and all lights and AC running. I was getting less than 12V. But while waiting for a new alternator to arrive I am now getting 13v and no warning.
So what is the proper troubleshooting for the charging system? I always used the voltmeter to check voltage at battery terminals. But my problem seems to be intermittent.
So I check the battery terminals with engine running and all lights and AC running. I was getting less than 12V. But while waiting for a new alternator to arrive I am now getting 13v and no warning.
So what is the proper troubleshooting for the charging system? I always used the voltmeter to check voltage at battery terminals. But my problem seems to be intermittent.
Hotshot
Joined: Jul 2005
Posts: 11,931
Likes: 180
alternators last 150 - 175 K miles "average" so it is time. Yours has worn brushes so it is intermittent on problem. Clean battery terminals and all ground straps that look cruddy when you install the new alternator.
New User
Joined: Jul 2015
Posts: 7
Likes: 0
From: Canyon Lake, Tx
BRUSHES ???
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mmcrorey
1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks
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Aug 4, 2003 03:20 PM
